Home / 4,359.72-6,540.12-1,587.69

Finding the Fourth Proportional to 4,359.72, 6,540.12 and 1,587.69

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Solution

The fourth proportional to 4,359.72, 6,540.12 and 1,587.69 is: 2,381.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,359.72 : 6,540.12 = 1,587.69 : x
  2. Step 2: Convert to fraction form
    4,359.72/6,540.12 = 1,587.69/x
  3. Step 3: Cross multiply
    4,359.72x = 6,540.12 × 1,587.69
  4. Step 4: Simplify right side
    4,359.72x = 10,383,683.12
  5. Step 5: Solve for x
    x = 10,383,683.12/4,359.72
  6. Step 6: Final answer
    x = 2,381.73

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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.