Home / 7,542.55-11,309.28-3,381.81

Finding the Fourth Proportional to 7,542.55, 11,309.28 and 3,381.81

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Solution

The fourth proportional to 7,542.55, 11,309.28 and 3,381.81 is: 5,070.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,542.55 : 11,309.28 = 3,381.81 : x
  2. Step 2: Convert to fraction form
    7,542.55/11,309.28 = 3,381.81/x
  3. Step 3: Cross multiply
    7,542.55x = 11,309.28 × 3,381.81
  4. Step 4: Simplify right side
    7,542.55x = 38,245,836.20
  5. Step 5: Solve for x
    x = 38,245,836.20/7,542.55
  6. Step 6: Final answer
    x = 5,070.68

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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.