Home / 5,104.39-7,046.72-3,218.71

Finding the Fourth Proportional to 5,104.39, 7,046.72 and 3,218.71

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Solution

The fourth proportional to 5,104.39, 7,046.72 and 3,218.71 is: 4,443.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,104.39 : 7,046.72 = 3,218.71 : x
  2. Step 2: Convert to fraction form
    5,104.39/7,046.72 = 3,218.71/x
  3. Step 3: Cross multiply
    5,104.39x = 7,046.72 × 3,218.71
  4. Step 4: Simplify right side
    5,104.39x = 22,681,348.13
  5. Step 5: Solve for x
    x = 22,681,348.13/5,104.39
  6. Step 6: Final answer
    x = 4,443.50

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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.