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Finding the Fourth Proportional to 5,787.88, 8,682.22 and 2,325.13

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Solution

The fourth proportional to 5,787.88, 8,682.22 and 2,325.13 is: 3,487.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,787.88 : 8,682.22 = 2,325.13 : x
  2. Step 2: Convert to fraction form
    5,787.88/8,682.22 = 2,325.13/x
  3. Step 3: Cross multiply
    5,787.88x = 8,682.22 × 2,325.13
  4. Step 4: Simplify right side
    5,787.88x = 20,187,290.19
  5. Step 5: Solve for x
    x = 20,187,290.19/5,787.88
  6. Step 6: Final answer
    x = 3,487.86

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Double scale
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Similar ratio
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1.5x scale

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.