Home / 5,679.81-8,514.19-2,756.52

Finding the Fourth Proportional to 5,679.81, 8,514.19 and 2,756.52

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Solution

The fourth proportional to 5,679.81, 8,514.19 and 2,756.52 is: 4,132.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,679.81 : 8,514.19 = 2,756.52 : x
  2. Step 2: Convert to fraction form
    5,679.81/8,514.19 = 2,756.52/x
  3. Step 3: Cross multiply
    5,679.81x = 8,514.19 × 2,756.52
  4. Step 4: Simplify right side
    5,679.81x = 23,469,535.02
  5. Step 5: Solve for x
    x = 23,469,535.02/5,679.81
  6. Step 6: Final answer
    x = 4,132.10

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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.