Home / 8,511.32-12,764.12-3,580.04

Finding the Fourth Proportional to 8,511.32, 12,764.12 and 3,580.04

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Solution

The fourth proportional to 8,511.32, 12,764.12 and 3,580.04 is: 5,368.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,511.32 : 12,764.12 = 3,580.04 : x
  2. Step 2: Convert to fraction form
    8,511.32/12,764.12 = 3,580.04/x
  3. Step 3: Cross multiply
    8,511.32x = 12,764.12 × 3,580.04
  4. Step 4: Simplify right side
    8,511.32x = 45,696,060.16
  5. Step 5: Solve for x
    x = 45,696,060.16/8,511.32
  6. Step 6: Final answer
    x = 5,368.86

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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.