Home / 5,585.16-8,372.70-2,119.92

Finding the Fourth Proportional to 5,585.16, 8,372.70 and 2,119.92

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Solution

The fourth proportional to 5,585.16, 8,372.70 and 2,119.92 is: 3,177.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,585.16 : 8,372.70 = 2,119.92 : x
  2. Step 2: Convert to fraction form
    5,585.16/8,372.70 = 2,119.92/x
  3. Step 3: Cross multiply
    5,585.16x = 8,372.70 × 2,119.92
  4. Step 4: Simplify right side
    5,585.16x = 17,749,454.18
  5. Step 5: Solve for x
    x = 17,749,454.18/5,585.16
  6. Step 6: Final answer
    x = 3,177.97

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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.