Home / 5,712.72-8,566.32-3,246.90

Finding the Fourth Proportional to 5,712.72, 8,566.32 and 3,246.90

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Solution

The fourth proportional to 5,712.72, 8,566.32 and 3,246.90 is: 4,868.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,712.72 : 8,566.32 = 3,246.90 : x
  2. Step 2: Convert to fraction form
    5,712.72/8,566.32 = 3,246.90/x
  3. Step 3: Cross multiply
    5,712.72x = 8,566.32 × 3,246.90
  4. Step 4: Simplify right side
    5,712.72x = 27,813,984.41
  5. Step 5: Solve for x
    x = 27,813,984.41/5,712.72
  6. Step 6: Final answer
    x = 4,868.78

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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.