Home / 7,151.49-10,727.27-2,531.25

Finding the Fourth Proportional to 7,151.49, 10,727.27 and 2,531.25

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Solution

The fourth proportional to 7,151.49, 10,727.27 and 2,531.25 is: 3,796.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,151.49 : 10,727.27 = 2,531.25 : x
  2. Step 2: Convert to fraction form
    7,151.49/10,727.27 = 2,531.25/x
  3. Step 3: Cross multiply
    7,151.49x = 10,727.27 × 2,531.25
  4. Step 4: Simplify right side
    7,151.49x = 27,153,389.53
  5. Step 5: Solve for x
    x = 27,153,389.53/7,151.49
  6. Step 6: Final answer
    x = 3,796.89

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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.