Home / 5,987-8,983.54-2,479.60

Finding the Fourth Proportional to 5,987, 8,983.54 and 2,479.60

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Solution

The fourth proportional to 5,987, 8,983.54 and 2,479.60 is: 3,720.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,987 : 8,983.54 = 2,479.60 : x
  2. Step 2: Convert to fraction form
    5,987/8,983.54 = 2,479.60/x
  3. Step 3: Cross multiply
    5,987x = 8,983.54 × 2,479.60
  4. Step 4: Simplify right side
    5,987x = 22,275,585.78
  5. Step 5: Solve for x
    x = 22,275,585.78/5,987
  6. Step 6: Final answer
    x = 3,720.66

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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.