Home / 7,549.61-11,321.58-2,618.06

Finding the Fourth Proportional to 7,549.61, 11,321.58 and 2,618.06

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Solution

The fourth proportional to 7,549.61, 11,321.58 and 2,618.06 is: 3,926.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,549.61 : 11,321.58 = 2,618.06 : x
  2. Step 2: Convert to fraction form
    7,549.61/11,321.58 = 2,618.06/x
  3. Step 3: Cross multiply
    7,549.61x = 11,321.58 × 2,618.06
  4. Step 4: Simplify right side
    7,549.61x = 29,640,604.04
  5. Step 5: Solve for x
    x = 29,640,604.04/7,549.61
  6. Step 6: Final answer
    x = 3,926.11

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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.