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Finding the Fourth Proportional to 7,251.52, 10,880.64 and 3,092.80

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Solution

The fourth proportional to 7,251.52, 10,880.64 and 3,092.80 is: 4,640.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,251.52 : 10,880.64 = 3,092.80 : x
  2. Step 2: Convert to fraction form
    7,251.52/10,880.64 = 3,092.80/x
  3. Step 3: Cross multiply
    7,251.52x = 10,880.64 × 3,092.80
  4. Step 4: Simplify right side
    7,251.52x = 33,651,643.39
  5. Step 5: Solve for x
    x = 33,651,643.39/7,251.52
  6. Step 6: Final answer
    x = 4,640.63

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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.