Home / 5,296.80-7,939.26-2,487.02

Finding the Fourth Proportional to 5,296.80, 7,939.26 and 2,487.02

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Solution

The fourth proportional to 5,296.80, 7,939.26 and 2,487.02 is: 3,727.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,296.80 : 7,939.26 = 2,487.02 : x
  2. Step 2: Convert to fraction form
    5,296.80/7,939.26 = 2,487.02/x
  3. Step 3: Cross multiply
    5,296.80x = 7,939.26 × 2,487.02
  4. Step 4: Simplify right side
    5,296.80x = 19,745,098.41
  5. Step 5: Solve for x
    x = 19,745,098.41/5,296.80
  6. Step 6: Final answer
    x = 3,727.74

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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.