Home / 5,169.29-7,130.39-4,304.72

Finding the Fourth Proportional to 5,169.29, 7,130.39 and 4,304.72

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Solution

The fourth proportional to 5,169.29, 7,130.39 and 4,304.72 is: 5,937.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,169.29 : 7,130.39 = 4,304.72 : x
  2. Step 2: Convert to fraction form
    5,169.29/7,130.39 = 4,304.72/x
  3. Step 3: Cross multiply
    5,169.29x = 7,130.39 × 4,304.72
  4. Step 4: Simplify right side
    5,169.29x = 30,694,275.27
  5. Step 5: Solve for x
    x = 30,694,275.27/5,169.29
  6. Step 6: Final answer
    x = 5,937.82

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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.