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Finding the Fourth Proportional to 5,000.60, 7,500.90 and 4,787.30

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Solution

The fourth proportional to 5,000.60, 7,500.90 and 4,787.30 is: 7,180.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,000.60 : 7,500.90 = 4,787.30 : x
  2. Step 2: Convert to fraction form
    5,000.60/7,500.90 = 4,787.30/x
  3. Step 3: Cross multiply
    5,000.60x = 7,500.90 × 4,787.30
  4. Step 4: Simplify right side
    5,000.60x = 35,909,058.57
  5. Step 5: Solve for x
    x = 35,909,058.57/5,000.60
  6. Step 6: Final answer
    x = 7,180.95

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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.