Home / 8,679.32-13,007.54-4,732.30

Finding the Fourth Proportional to 8,679.32, 13,007.54 and 4,732.30

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Solution

The fourth proportional to 8,679.32, 13,007.54 and 4,732.30 is: 7,092.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,679.32 : 13,007.54 = 4,732.30 : x
  2. Step 2: Convert to fraction form
    8,679.32/13,007.54 = 4,732.30/x
  3. Step 3: Cross multiply
    8,679.32x = 13,007.54 × 4,732.30
  4. Step 4: Simplify right side
    8,679.32x = 61,555,581.54
  5. Step 5: Solve for x
    x = 61,555,581.54/8,679.32
  6. Step 6: Final answer
    x = 7,092.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.