Home / 4,508.39-6,762.79-1,388.17

Finding the Fourth Proportional to 4,508.39, 6,762.79 and 1,388.17

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Solution

The fourth proportional to 4,508.39, 6,762.79 and 1,388.17 is: 2,082.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,508.39 : 6,762.79 = 1,388.17 : x
  2. Step 2: Convert to fraction form
    4,508.39/6,762.79 = 1,388.17/x
  3. Step 3: Cross multiply
    4,508.39x = 6,762.79 × 1,388.17
  4. Step 4: Simplify right side
    4,508.39x = 9,387,912.38
  5. Step 5: Solve for x
    x = 9,387,912.38/4,508.39
  6. Step 6: Final answer
    x = 2,082.32

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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.