Home / 7,549.56-11,321.28-2,618.16

Finding the Fourth Proportional to 7,549.56, 11,321.28 and 2,618.16

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Solution

The fourth proportional to 7,549.56, 11,321.28 and 2,618.16 is: 3,926.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,549.56 : 11,321.28 = 2,618.16 : x
  2. Step 2: Convert to fraction form
    7,549.56/11,321.28 = 2,618.16/x
  3. Step 3: Cross multiply
    7,549.56x = 11,321.28 × 2,618.16
  4. Step 4: Simplify right side
    7,549.56x = 29,640,922.44
  5. Step 5: Solve for x
    x = 29,640,922.44/7,549.56
  6. Step 6: Final answer
    x = 3,926.18

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1.5x scale

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.