Home / 7,542.07-11,302.85-5,691.64

Finding the Fourth Proportional to 7,542.07, 11,302.85 and 5,691.64

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Solution

The fourth proportional to 7,542.07, 11,302.85 and 5,691.64 is: 8,529.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,542.07 : 11,302.85 = 5,691.64 : x
  2. Step 2: Convert to fraction form
    7,542.07/11,302.85 = 5,691.64/x
  3. Step 3: Cross multiply
    7,542.07x = 11,302.85 × 5,691.64
  4. Step 4: Simplify right side
    7,542.07x = 64,331,724.72
  5. Step 5: Solve for x
    x = 64,331,724.72/7,542.07
  6. Step 6: Final answer
    x = 8,529.72

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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.