Home / 6,388.02-8,815.46-3,734.90

Finding the Fourth Proportional to 6,388.02, 8,815.46 and 3,734.90

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Solution

The fourth proportional to 6,388.02, 8,815.46 and 3,734.90 is: 5,154.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,388.02 : 8,815.46 = 3,734.90 : x
  2. Step 2: Convert to fraction form
    6,388.02/8,815.46 = 3,734.90/x
  3. Step 3: Cross multiply
    6,388.02x = 8,815.46 × 3,734.90
  4. Step 4: Simplify right side
    6,388.02x = 32,924,861.55
  5. Step 5: Solve for x
    x = 32,924,861.55/6,388.02
  6. Step 6: Final answer
    x = 5,154.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.