Home / 8,374.06-12,551.85-3,689.11

Finding the Fourth Proportional to 8,374.06, 12,551.85 and 3,689.11

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Solution

The fourth proportional to 8,374.06, 12,551.85 and 3,689.11 is: 5,529.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,374.06 : 12,551.85 = 3,689.11 : x
  2. Step 2: Convert to fraction form
    8,374.06/12,551.85 = 3,689.11/x
  3. Step 3: Cross multiply
    8,374.06x = 12,551.85 × 3,689.11
  4. Step 4: Simplify right side
    8,374.06x = 46,305,155.35
  5. Step 5: Solve for x
    x = 46,305,155.35/8,374.06
  6. Step 6: Final answer
    x = 5,529.59

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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.