Home / 8,519.92-12,787.98-3,588.28

Finding the Fourth Proportional to 8,519.92, 12,787.98 and 3,588.28

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Solution

The fourth proportional to 8,519.92, 12,787.98 and 3,588.28 is: 5,385.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,519.92 : 12,787.98 = 3,588.28 : x
  2. Step 2: Convert to fraction form
    8,519.92/12,787.98 = 3,588.28/x
  3. Step 3: Cross multiply
    8,519.92x = 12,787.98 × 3,588.28
  4. Step 4: Simplify right side
    8,519.92x = 45,886,852.87
  5. Step 5: Solve for x
    x = 45,886,852.87/8,519.92
  6. Step 6: Final answer
    x = 5,385.83

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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.