Home / 5,426.92-7,490.10-3,658.60

Finding the Fourth Proportional to 5,426.92, 7,490.10 and 3,658.60

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Solution

The fourth proportional to 5,426.92, 7,490.10 and 3,658.60 is: 5,049.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,426.92 : 7,490.10 = 3,658.60 : x
  2. Step 2: Convert to fraction form
    5,426.92/7,490.10 = 3,658.60/x
  3. Step 3: Cross multiply
    5,426.92x = 7,490.10 × 3,658.60
  4. Step 4: Simplify right side
    5,426.92x = 27,403,279.86
  5. Step 5: Solve for x
    x = 27,403,279.86/5,426.92
  6. Step 6: Final answer
    x = 5,049.51

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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.