Home / 8,372.24-11,557.96-6,479.60

Finding the Fourth Proportional to 8,372.24, 11,557.96 and 6,479.60

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Solution

The fourth proportional to 8,372.24, 11,557.96 and 6,479.60 is: 8,945.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,372.24 : 11,557.96 = 6,479.60 : x
  2. Step 2: Convert to fraction form
    8,372.24/11,557.96 = 6,479.60/x
  3. Step 3: Cross multiply
    8,372.24x = 11,557.96 × 6,479.60
  4. Step 4: Simplify right side
    8,372.24x = 74,890,957.62
  5. Step 5: Solve for x
    x = 74,890,957.62/8,372.24
  6. Step 6: Final answer
    x = 8,945.15

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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.