Home / 7,600.31-11,400.39-3,217.13

Finding the Fourth Proportional to 7,600.31, 11,400.39 and 3,217.13

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Solution

The fourth proportional to 7,600.31, 11,400.39 and 3,217.13 is: 4,825.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,600.31 : 11,400.39 = 3,217.13 : x
  2. Step 2: Convert to fraction form
    7,600.31/11,400.39 = 3,217.13/x
  3. Step 3: Cross multiply
    7,600.31x = 11,400.39 × 3,217.13
  4. Step 4: Simplify right side
    7,600.31x = 36,676,479.68
  5. Step 5: Solve for x
    x = 36,676,479.68/7,600.31
  6. Step 6: Final answer
    x = 4,825.66

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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.