Home / 6,654.89-9,174.20-5,236.13

Finding the Fourth Proportional to 6,654.89, 9,174.20 and 5,236.13

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Solution

The fourth proportional to 6,654.89, 9,174.20 and 5,236.13 is: 7,218.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,654.89 : 9,174.20 = 5,236.13 : x
  2. Step 2: Convert to fraction form
    6,654.89/9,174.20 = 5,236.13/x
  3. Step 3: Cross multiply
    6,654.89x = 9,174.20 × 5,236.13
  4. Step 4: Simplify right side
    6,654.89x = 48,037,257.98
  5. Step 5: Solve for x
    x = 48,037,257.98/6,654.89
  6. Step 6: Final answer
    x = 7,218.35

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1.5x scale

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.