Home / 5,153.48-7,732.38-1,691.08

Finding the Fourth Proportional to 5,153.48, 7,732.38 and 1,691.08

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Solution

The fourth proportional to 5,153.48, 7,732.38 and 1,691.08 is: 2,537.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,153.48 : 7,732.38 = 1,691.08 : x
  2. Step 2: Convert to fraction form
    5,153.48/7,732.38 = 1,691.08/x
  3. Step 3: Cross multiply
    5,153.48x = 7,732.38 × 1,691.08
  4. Step 4: Simplify right side
    5,153.48x = 13,076,073.17
  5. Step 5: Solve for x
    x = 13,076,073.17/5,153.48
  6. Step 6: Final answer
    x = 2,537.33

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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.