Home / 3,542.47-5,314.66-3,155.13

Finding the Fourth Proportional to 3,542.47, 5,314.66 and 3,155.13

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Solution

The fourth proportional to 3,542.47, 5,314.66 and 3,155.13 is: 4,733.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,542.47 : 5,314.66 = 3,155.13 : x
  2. Step 2: Convert to fraction form
    3,542.47/5,314.66 = 3,155.13/x
  3. Step 3: Cross multiply
    3,542.47x = 5,314.66 × 3,155.13
  4. Step 4: Simplify right side
    3,542.47x = 16,768,400.86
  5. Step 5: Solve for x
    x = 16,768,400.86/3,542.47
  6. Step 6: Final answer
    x = 4,733.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.