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Finding the Fourth Proportional to 7,542.76, 11,315.76 and 2,348.68

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Solution

The fourth proportional to 7,542.76, 11,315.76 and 2,348.68 is: 3,523.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,542.76 : 11,315.76 = 2,348.68 : x
  2. Step 2: Convert to fraction form
    7,542.76/11,315.76 = 2,348.68/x
  3. Step 3: Cross multiply
    7,542.76x = 11,315.76 × 2,348.68
  4. Step 4: Simplify right side
    7,542.76x = 26,577,099.20
  5. Step 5: Solve for x
    x = 26,577,099.20/7,542.76
  6. Step 6: Final answer
    x = 3,523.52

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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.