Home / 8,351.85-12,528.36-2,508.90

Finding the Fourth Proportional to 8,351.85, 12,528.36 and 2,508.90

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Solution

The fourth proportional to 8,351.85, 12,528.36 and 2,508.90 is: 3,763.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,351.85 : 12,528.36 = 2,508.90 : x
  2. Step 2: Convert to fraction form
    8,351.85/12,528.36 = 2,508.90/x
  3. Step 3: Cross multiply
    8,351.85x = 12,528.36 × 2,508.90
  4. Step 4: Simplify right side
    8,351.85x = 31,432,402.40
  5. Step 5: Solve for x
    x = 31,432,402.40/8,351.85
  6. Step 6: Final answer
    x = 3,763.53

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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.