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Finding the Fourth Proportional to 6,248.40, 9,372.60 and 5,773.20

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Solution

The fourth proportional to 6,248.40, 9,372.60 and 5,773.20 is: 8,659.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,248.40 : 9,372.60 = 5,773.20 : x
  2. Step 2: Convert to fraction form
    6,248.40/9,372.60 = 5,773.20/x
  3. Step 3: Cross multiply
    6,248.40x = 9,372.60 × 5,773.20
  4. Step 4: Simplify right side
    6,248.40x = 54,109,894.32
  5. Step 5: Solve for x
    x = 54,109,894.32/6,248.40
  6. Step 6: Final answer
    x = 8,659.80

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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.