Home / 10,275.29-15,400.46-4,349.89

Finding the Fourth Proportional to 10,275.29, 15,400.46 and 4,349.89

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Solution

The fourth proportional to 10,275.29, 15,400.46 and 4,349.89 is: 6,519.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,275.29 : 15,400.46 = 4,349.89 : x
  2. Step 2: Convert to fraction form
    10,275.29/15,400.46 = 4,349.89/x
  3. Step 3: Cross multiply
    10,275.29x = 15,400.46 × 4,349.89
  4. Step 4: Simplify right side
    10,275.29x = 66,990,306.95
  5. Step 5: Solve for x
    x = 66,990,306.95/10,275.29
  6. Step 6: Final answer
    x = 6,519.55

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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.