Home / 8,824.20-12,177.56-4,845.48

Finding the Fourth Proportional to 8,824.20, 12,177.56 and 4,845.48

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Solution

The fourth proportional to 8,824.20, 12,177.56 and 4,845.48 is: 6,686.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,824.20 : 12,177.56 = 4,845.48 : x
  2. Step 2: Convert to fraction form
    8,824.20/12,177.56 = 4,845.48/x
  3. Step 3: Cross multiply
    8,824.20x = 12,177.56 × 4,845.48
  4. Step 4: Simplify right side
    8,824.20x = 59,006,123.43
  5. Step 5: Solve for x
    x = 59,006,123.43/8,824.20
  6. Step 6: Final answer
    x = 6,686.85

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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.