Home / 7,502.74-11,248.02-3,123.46

Finding the Fourth Proportional to 7,502.74, 11,248.02 and 3,123.46

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Solution

The fourth proportional to 7,502.74, 11,248.02 and 3,123.46 is: 4,682.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,502.74 : 11,248.02 = 3,123.46 : x
  2. Step 2: Convert to fraction form
    7,502.74/11,248.02 = 3,123.46/x
  3. Step 3: Cross multiply
    7,502.74x = 11,248.02 × 3,123.46
  4. Step 4: Simplify right side
    7,502.74x = 35,132,740.55
  5. Step 5: Solve for x
    x = 35,132,740.55/7,502.74
  6. Step 6: Final answer
    x = 4,682.65

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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.