Home / 8,128.52-11,217.30-4,592.42

Finding the Fourth Proportional to 8,128.52, 11,217.30 and 4,592.42

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Solution

The fourth proportional to 8,128.52, 11,217.30 and 4,592.42 is: 6,337.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,128.52 : 11,217.30 = 4,592.42 : x
  2. Step 2: Convert to fraction form
    8,128.52/11,217.30 = 4,592.42/x
  3. Step 3: Cross multiply
    8,128.52x = 11,217.30 × 4,592.42
  4. Step 4: Simplify right side
    8,128.52x = 51,514,552.87
  5. Step 5: Solve for x
    x = 51,514,552.87/8,128.52
  6. Step 6: Final answer
    x = 6,337.51

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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.