Home / 7,844.90-11,766.21-2,580.11

Finding the Fourth Proportional to 7,844.90, 11,766.21 and 2,580.11

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Solution

The fourth proportional to 7,844.90, 11,766.21 and 2,580.11 is: 3,869.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,844.90 : 11,766.21 = 2,580.11 : x
  2. Step 2: Convert to fraction form
    7,844.90/11,766.21 = 2,580.11/x
  3. Step 3: Cross multiply
    7,844.90x = 11,766.21 × 2,580.11
  4. Step 4: Simplify right side
    7,844.90x = 30,358,116.08
  5. Step 5: Solve for x
    x = 30,358,116.08/7,844.90
  6. Step 6: Final answer
    x = 3,869.79

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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.