Home / 5,487.40-8,232.61-1,789.16

Finding the Fourth Proportional to 5,487.40, 8,232.61 and 1,789.16

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Solution

The fourth proportional to 5,487.40, 8,232.61 and 1,789.16 is: 2,684.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,487.40 : 8,232.61 = 1,789.16 : x
  2. Step 2: Convert to fraction form
    5,487.40/8,232.61 = 1,789.16/x
  3. Step 3: Cross multiply
    5,487.40x = 8,232.61 × 1,789.16
  4. Step 4: Simplify right side
    5,487.40x = 14,729,488.72
  5. Step 5: Solve for x
    x = 14,729,488.72/5,487.40
  6. Step 6: Final answer
    x = 2,684.24

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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.