Home / 4,508.76-6,763.92-1,388.71

Finding the Fourth Proportional to 4,508.76, 6,763.92 and 1,388.71

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Solution

The fourth proportional to 4,508.76, 6,763.92 and 1,388.71 is: 2,083.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,508.76 : 6,763.92 = 1,388.71 : x
  2. Step 2: Convert to fraction form
    4,508.76/6,763.92 = 1,388.71/x
  3. Step 3: Cross multiply
    4,508.76x = 6,763.92 × 1,388.71
  4. Step 4: Simplify right side
    4,508.76x = 9,393,082.58
  5. Step 5: Solve for x
    x = 9,393,082.58/4,508.76
  6. Step 6: Final answer
    x = 2,083.30

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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.