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Finding the Fourth Proportional to 4,932.56, 7,402.12 and 2,335.76

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Solution

The fourth proportional to 4,932.56, 7,402.12 and 2,335.76 is: 3,505.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,932.56 : 7,402.12 = 2,335.76 : x
  2. Step 2: Convert to fraction form
    4,932.56/7,402.12 = 2,335.76/x
  3. Step 3: Cross multiply
    4,932.56x = 7,402.12 × 2,335.76
  4. Step 4: Simplify right side
    4,932.56x = 17,289,575.81
  5. Step 5: Solve for x
    x = 17,289,575.81/4,932.56
  6. Step 6: Final answer
    x = 3,505.19

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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.