Home / 8,179.47-11,287.55-4,822.42

Finding the Fourth Proportional to 8,179.47, 11,287.55 and 4,822.42

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Solution

The fourth proportional to 8,179.47, 11,287.55 and 4,822.42 is: 6,654.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,179.47 : 11,287.55 = 4,822.42 : x
  2. Step 2: Convert to fraction form
    8,179.47/11,287.55 = 4,822.42/x
  3. Step 3: Cross multiply
    8,179.47x = 11,287.55 × 4,822.42
  4. Step 4: Simplify right side
    8,179.47x = 54,433,306.87
  5. Step 5: Solve for x
    x = 54,433,306.87/8,179.47
  6. Step 6: Final answer
    x = 6,654.87

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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.