Home / 5,371.01-7,412.18-3,132.53

Finding the Fourth Proportional to 5,371.01, 7,412.18 and 3,132.53

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Solution

The fourth proportional to 5,371.01, 7,412.18 and 3,132.53 is: 4,322.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,371.01 : 7,412.18 = 3,132.53 : x
  2. Step 2: Convert to fraction form
    5,371.01/7,412.18 = 3,132.53/x
  3. Step 3: Cross multiply
    5,371.01x = 7,412.18 × 3,132.53
  4. Step 4: Simplify right side
    5,371.01x = 23,218,823.49
  5. Step 5: Solve for x
    x = 23,218,823.49/5,371.01
  6. Step 6: Final answer
    x = 4,322.99

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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.