Home / 5,585.52-8,377.92-2,122.68

Finding the Fourth Proportional to 5,585.52, 8,377.92 and 2,122.68

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Solution

The fourth proportional to 5,585.52, 8,377.92 and 2,122.68 is: 3,183.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,585.52 : 8,377.92 = 2,122.68 : x
  2. Step 2: Convert to fraction form
    5,585.52/8,377.92 = 2,122.68/x
  3. Step 3: Cross multiply
    5,585.52x = 8,377.92 × 2,122.68
  4. Step 4: Simplify right side
    5,585.52x = 17,783,643.23
  5. Step 5: Solve for x
    x = 17,783,643.23/5,585.52
  6. Step 6: Final answer
    x = 3,183.88

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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.