Home / 6,765.40-10,148.10-5,125.15

Finding the Fourth Proportional to 6,765.40, 10,148.10 and 5,125.15

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Solution

The fourth proportional to 6,765.40, 10,148.10 and 5,125.15 is: 7,687.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,765.40 : 10,148.10 = 5,125.15 : x
  2. Step 2: Convert to fraction form
    6,765.40/10,148.10 = 5,125.15/x
  3. Step 3: Cross multiply
    6,765.40x = 10,148.10 × 5,125.15
  4. Step 4: Simplify right side
    6,765.40x = 52,010,534.72
  5. Step 5: Solve for x
    x = 52,010,534.72/6,765.40
  6. Step 6: Final answer
    x = 7,687.73

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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.