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Finding the Fourth Proportional to 4,957.56, 7,441.20 and 3,013.56

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Solution

The fourth proportional to 4,957.56, 7,441.20 and 3,013.56 is: 4,523.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,957.56 : 7,441.20 = 3,013.56 : x
  2. Step 2: Convert to fraction form
    4,957.56/7,441.20 = 3,013.56/x
  3. Step 3: Cross multiply
    4,957.56x = 7,441.20 × 3,013.56
  4. Step 4: Simplify right side
    4,957.56x = 22,424,502.67
  5. Step 5: Solve for x
    x = 22,424,502.67/4,957.56
  6. Step 6: Final answer
    x = 4,523.29

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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.