Home / 8,371.38-12,558.87-2,528.58

Finding the Fourth Proportional to 8,371.38, 12,558.87 and 2,528.58

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Solution

The fourth proportional to 8,371.38, 12,558.87 and 2,528.58 is: 3,793.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,371.38 : 12,558.87 = 2,528.58 : x
  2. Step 2: Convert to fraction form
    8,371.38/12,558.87 = 2,528.58/x
  3. Step 3: Cross multiply
    8,371.38x = 12,558.87 × 2,528.58
  4. Step 4: Simplify right side
    8,371.38x = 31,756,107.50
  5. Step 5: Solve for x
    x = 31,756,107.50/8,371.38
  6. Step 6: Final answer
    x = 3,793.41

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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.