Home / 5,151.13-7,726.66-2,231.48

Finding the Fourth Proportional to 5,151.13, 7,726.66 and 2,231.48

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Solution

The fourth proportional to 5,151.13, 7,726.66 and 2,231.48 is: 3,347.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,151.13 : 7,726.66 = 2,231.48 : x
  2. Step 2: Convert to fraction form
    5,151.13/7,726.66 = 2,231.48/x
  3. Step 3: Cross multiply
    5,151.13x = 7,726.66 × 2,231.48
  4. Step 4: Simplify right side
    5,151.13x = 17,241,900.99
  5. Step 5: Solve for x
    x = 17,241,900.99/5,151.13
  6. Step 6: Final answer
    x = 3,347.21

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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.