Home / 5,487.90-8,232.70-1,789.27

Finding the Fourth Proportional to 5,487.90, 8,232.70 and 1,789.27

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Solution

The fourth proportional to 5,487.90, 8,232.70 and 1,789.27 is: 2,684.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,487.90 : 8,232.70 = 1,789.27 : x
  2. Step 2: Convert to fraction form
    5,487.90/8,232.70 = 1,789.27/x
  3. Step 3: Cross multiply
    5,487.90x = 8,232.70 × 1,789.27
  4. Step 4: Simplify right side
    5,487.90x = 14,730,523.13
  5. Step 5: Solve for x
    x = 14,730,523.13/5,487.90
  6. Step 6: Final answer
    x = 2,684.18

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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.