Home / 9,091.75-13,641.12-3,549.03

Finding the Fourth Proportional to 9,091.75, 13,641.12 and 3,549.03

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Solution

The fourth proportional to 9,091.75, 13,641.12 and 3,549.03 is: 5,324.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,091.75 : 13,641.12 = 3,549.03 : x
  2. Step 2: Convert to fraction form
    9,091.75/13,641.12 = 3,549.03/x
  3. Step 3: Cross multiply
    9,091.75x = 13,641.12 × 3,549.03
  4. Step 4: Simplify right side
    9,091.75x = 48,412,744.11
  5. Step 5: Solve for x
    x = 48,412,744.11/9,091.75
  6. Step 6: Final answer
    x = 5,324.91

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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.