Home / 4,440.64-6,128.10-2,451.21

Finding the Fourth Proportional to 4,440.64, 6,128.10 and 2,451.21

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Solution

The fourth proportional to 4,440.64, 6,128.10 and 2,451.21 is: 3,382.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,440.64 : 6,128.10 = 2,451.21 : x
  2. Step 2: Convert to fraction form
    4,440.64/6,128.10 = 2,451.21/x
  3. Step 3: Cross multiply
    4,440.64x = 6,128.10 × 2,451.21
  4. Step 4: Simplify right side
    4,440.64x = 15,021,260.00
  5. Step 5: Solve for x
    x = 15,021,260.00/4,440.64
  6. Step 6: Final answer
    x = 3,382.68

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Half scale
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Double scale
Find fourth proportional to 4,441.64, 6,129.48 and 2,452.21
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.