Home / 5,165.38-7,748-1,269.82

Finding the Fourth Proportional to 5,165.38, 7,748 and 1,269.82

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Solution

The fourth proportional to 5,165.38, 7,748 and 1,269.82 is: 1,904.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,165.38 : 7,748 = 1,269.82 : x
  2. Step 2: Convert to fraction form
    5,165.38/7,748 = 1,269.82/x
  3. Step 3: Cross multiply
    5,165.38x = 7,748 × 1,269.82
  4. Step 4: Simplify right side
    5,165.38x = 9,838,565.36
  5. Step 5: Solve for x
    x = 9,838,565.36/5,165.38
  6. Step 6: Final answer
    x = 1,904.71

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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.