Home / 8,652.11-12,976.75-2,412.55

Finding the Fourth Proportional to 8,652.11, 12,976.75 and 2,412.55

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Solution

The fourth proportional to 8,652.11, 12,976.75 and 2,412.55 is: 3,618.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,652.11 : 12,976.75 = 2,412.55 : x
  2. Step 2: Convert to fraction form
    8,652.11/12,976.75 = 2,412.55/x
  3. Step 3: Cross multiply
    8,652.11x = 12,976.75 × 2,412.55
  4. Step 4: Simplify right side
    8,652.11x = 31,306,981.27
  5. Step 5: Solve for x
    x = 31,306,981.27/8,652.11
  6. Step 6: Final answer
    x = 3,618.42

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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.