Home / 6,765.28-9,342.46-6,397.14

Finding the Fourth Proportional to 6,765.28, 9,342.46 and 6,397.14

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Solution

The fourth proportional to 6,765.28, 9,342.46 and 6,397.14 is: 8,834.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,765.28 : 9,342.46 = 6,397.14 : x
  2. Step 2: Convert to fraction form
    6,765.28/9,342.46 = 6,397.14/x
  3. Step 3: Cross multiply
    6,765.28x = 9,342.46 × 6,397.14
  4. Step 4: Simplify right side
    6,765.28x = 59,765,024.56
  5. Step 5: Solve for x
    x = 59,765,024.56/6,765.28
  6. Step 6: Final answer
    x = 8,834.08

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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.