Home / 5,229.17-7,169.46-5,135.61

Finding the Fourth Proportional to 5,229.17, 7,169.46 and 5,135.61

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Solution

The fourth proportional to 5,229.17, 7,169.46 and 5,135.61 is: 7,041.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,229.17 : 7,169.46 = 5,135.61 : x
  2. Step 2: Convert to fraction form
    5,229.17/7,169.46 = 5,135.61/x
  3. Step 3: Cross multiply
    5,229.17x = 7,169.46 × 5,135.61
  4. Step 4: Simplify right side
    5,229.17x = 36,819,550.47
  5. Step 5: Solve for x
    x = 36,819,550.47/5,229.17
  6. Step 6: Final answer
    x = 7,041.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.