Home / 6,755.31-9,319.50-4,102.56

Finding the Fourth Proportional to 6,755.31, 9,319.50 and 4,102.56

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Solution

The fourth proportional to 6,755.31, 9,319.50 and 4,102.56 is: 5,659.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,755.31 : 9,319.50 = 4,102.56 : x
  2. Step 2: Convert to fraction form
    6,755.31/9,319.50 = 4,102.56/x
  3. Step 3: Cross multiply
    6,755.31x = 9,319.50 × 4,102.56
  4. Step 4: Simplify right side
    6,755.31x = 38,233,807.92
  5. Step 5: Solve for x
    x = 38,233,807.92/6,755.31
  6. Step 6: Final answer
    x = 5,659.82

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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.