Home / 5,685.64-7,846.76-3,168.16

Finding the Fourth Proportional to 5,685.64, 7,846.76 and 3,168.16

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Solution

The fourth proportional to 5,685.64, 7,846.76 and 3,168.16 is: 4,372.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,685.64 : 7,846.76 = 3,168.16 : x
  2. Step 2: Convert to fraction form
    5,685.64/7,846.76 = 3,168.16/x
  3. Step 3: Cross multiply
    5,685.64x = 7,846.76 × 3,168.16
  4. Step 4: Simplify right side
    5,685.64x = 24,859,779.47
  5. Step 5: Solve for x
    x = 24,859,779.47/5,685.64
  6. Step 6: Final answer
    x = 4,372.38

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Find fourth proportional to 2,842.82, 3,923.38 and 1,584.08
Half scale
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Double scale
Find fourth proportional to 5,686.64, 7,848.14 and 3,169.16
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.