Home / 6,387.37-9,575.87-2,874.80

Finding the Fourth Proportional to 6,387.37, 9,575.87 and 2,874.80

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Solution

The fourth proportional to 6,387.37, 9,575.87 and 2,874.80 is: 4,309.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,387.37 : 9,575.87 = 2,874.80 : x
  2. Step 2: Convert to fraction form
    6,387.37/9,575.87 = 2,874.80/x
  3. Step 3: Cross multiply
    6,387.37x = 9,575.87 × 2,874.80
  4. Step 4: Simplify right side
    6,387.37x = 27,528,711.08
  5. Step 5: Solve for x
    x = 27,528,711.08/6,387.37
  6. Step 6: Final answer
    x = 4,309.87

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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.