Home / 4,642.38-6,407.94-3,132.13

Finding the Fourth Proportional to 4,642.38, 6,407.94 and 3,132.13

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Solution

The fourth proportional to 4,642.38, 6,407.94 and 3,132.13 is: 4,323.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,642.38 : 6,407.94 = 3,132.13 : x
  2. Step 2: Convert to fraction form
    4,642.38/6,407.94 = 3,132.13/x
  3. Step 3: Cross multiply
    4,642.38x = 6,407.94 × 3,132.13
  4. Step 4: Simplify right side
    4,642.38x = 20,070,485.09
  5. Step 5: Solve for x
    x = 20,070,485.09/4,642.38
  6. Step 6: Final answer
    x = 4,323.32

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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.