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Finding the Fourth Proportional to 7,255.50, 10,883.10 and 2,329.20

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Solution

The fourth proportional to 7,255.50, 10,883.10 and 2,329.20 is: 3,493.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,255.50 : 10,883.10 = 2,329.20 : x
  2. Step 2: Convert to fraction form
    7,255.50/10,883.10 = 2,329.20/x
  3. Step 3: Cross multiply
    7,255.50x = 10,883.10 × 2,329.20
  4. Step 4: Simplify right side
    7,255.50x = 25,348,916.52
  5. Step 5: Solve for x
    x = 25,348,916.52/7,255.50
  6. Step 6: Final answer
    x = 3,493.75

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1.5x scale

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.