Home / 7,549.91-11,321.22-3,166.19

Finding the Fourth Proportional to 7,549.91, 11,321.22 and 3,166.19

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Solution

The fourth proportional to 7,549.91, 11,321.22 and 3,166.19 is: 4,747.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,549.91 : 11,321.22 = 3,166.19 : x
  2. Step 2: Convert to fraction form
    7,549.91/11,321.22 = 3,166.19/x
  3. Step 3: Cross multiply
    7,549.91x = 11,321.22 × 3,166.19
  4. Step 4: Simplify right side
    7,549.91x = 35,845,133.55
  5. Step 5: Solve for x
    x = 35,845,133.55/7,549.91
  6. Step 6: Final answer
    x = 4,747.76

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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.