Home / 7,739.55-10,680.38-4,383.19

Finding the Fourth Proportional to 7,739.55, 10,680.38 and 4,383.19

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Solution

The fourth proportional to 7,739.55, 10,680.38 and 4,383.19 is: 6,048.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,739.55 : 10,680.38 = 4,383.19 : x
  2. Step 2: Convert to fraction form
    7,739.55/10,680.38 = 4,383.19/x
  3. Step 3: Cross multiply
    7,739.55x = 10,680.38 × 4,383.19
  4. Step 4: Simplify right side
    7,739.55x = 46,814,124.97
  5. Step 5: Solve for x
    x = 46,814,124.97/7,739.55
  6. Step 6: Final answer
    x = 6,048.69

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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.