Home / 8,279.27-11,425.45-4,502.47

Finding the Fourth Proportional to 8,279.27, 11,425.45 and 4,502.47

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Solution

The fourth proportional to 8,279.27, 11,425.45 and 4,502.47 is: 6,213.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,279.27 : 11,425.45 = 4,502.47 : x
  2. Step 2: Convert to fraction form
    8,279.27/11,425.45 = 4,502.47/x
  3. Step 3: Cross multiply
    8,279.27x = 11,425.45 × 4,502.47
  4. Step 4: Simplify right side
    8,279.27x = 51,442,745.86
  5. Step 5: Solve for x
    x = 51,442,745.86/8,279.27
  6. Step 6: Final answer
    x = 6,213.44

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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.