Home / 5,329.44-7,987.18-2,861.37

Finding the Fourth Proportional to 5,329.44, 7,987.18 and 2,861.37

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Solution

The fourth proportional to 5,329.44, 7,987.18 and 2,861.37 is: 4,288.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,329.44 : 7,987.18 = 2,861.37 : x
  2. Step 2: Convert to fraction form
    5,329.44/7,987.18 = 2,861.37/x
  3. Step 3: Cross multiply
    5,329.44x = 7,987.18 × 2,861.37
  4. Step 4: Simplify right side
    5,329.44x = 22,854,277.24
  5. Step 5: Solve for x
    x = 22,854,277.24/5,329.44
  6. Step 6: Final answer
    x = 4,288.31

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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.