Home / 7,132.30-9,842.13-3,945.52

Finding the Fourth Proportional to 7,132.30, 9,842.13 and 3,945.52

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Solution

The fourth proportional to 7,132.30, 9,842.13 and 3,945.52 is: 5,444.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,132.30 : 9,842.13 = 3,945.52 : x
  2. Step 2: Convert to fraction form
    7,132.30/9,842.13 = 3,945.52/x
  3. Step 3: Cross multiply
    7,132.30x = 9,842.13 × 3,945.52
  4. Step 4: Simplify right side
    7,132.30x = 38,832,320.76
  5. Step 5: Solve for x
    x = 38,832,320.76/7,132.30
  6. Step 6: Final answer
    x = 5,444.57

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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.