Home / 9,326.20-12,869.76-5,344.57

Finding the Fourth Proportional to 9,326.20, 12,869.76 and 5,344.57

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Solution

The fourth proportional to 9,326.20, 12,869.76 and 5,344.57 is: 7,375.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,326.20 : 12,869.76 = 5,344.57 : x
  2. Step 2: Convert to fraction form
    9,326.20/12,869.76 = 5,344.57/x
  3. Step 3: Cross multiply
    9,326.20x = 12,869.76 × 5,344.57
  4. Step 4: Simplify right side
    9,326.20x = 68,783,333.20
  5. Step 5: Solve for x
    x = 68,783,333.20/9,326.20
  6. Step 6: Final answer
    x = 7,375.28

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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.