Home / 5,126.70-7,691.26-1,663.94

Finding the Fourth Proportional to 5,126.70, 7,691.26 and 1,663.94

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Solution

The fourth proportional to 5,126.70, 7,691.26 and 1,663.94 is: 2,496.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,126.70 : 7,691.26 = 1,663.94 : x
  2. Step 2: Convert to fraction form
    5,126.70/7,691.26 = 1,663.94/x
  3. Step 3: Cross multiply
    5,126.70x = 7,691.26 × 1,663.94
  4. Step 4: Simplify right side
    5,126.70x = 12,797,795.16
  5. Step 5: Solve for x
    x = 12,797,795.16/5,126.70
  6. Step 6: Final answer
    x = 2,496.30

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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.