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Finding the Fourth Proportional to 9,240.20, 12,751.54 and 5,048.44

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Solution

The fourth proportional to 9,240.20, 12,751.54 and 5,048.44 is: 6,966.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,240.20 : 12,751.54 = 5,048.44 : x
  2. Step 2: Convert to fraction form
    9,240.20/12,751.54 = 5,048.44/x
  3. Step 3: Cross multiply
    9,240.20x = 12,751.54 × 5,048.44
  4. Step 4: Simplify right side
    9,240.20x = 64,375,384.60
  5. Step 5: Solve for x
    x = 64,375,384.60/9,240.20
  6. Step 6: Final answer
    x = 6,966.88

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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.