Home / 4,442.75-6,663.91-1,669.20

Finding the Fourth Proportional to 4,442.75, 6,663.91 and 1,669.20

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Solution

The fourth proportional to 4,442.75, 6,663.91 and 1,669.20 is: 2,503.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,442.75 : 6,663.91 = 1,669.20 : x
  2. Step 2: Convert to fraction form
    4,442.75/6,663.91 = 1,669.20/x
  3. Step 3: Cross multiply
    4,442.75x = 6,663.91 × 1,669.20
  4. Step 4: Simplify right side
    4,442.75x = 11,123,398.57
  5. Step 5: Solve for x
    x = 11,123,398.57/4,442.75
  6. Step 6: Final answer
    x = 2,503.72

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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.