Home / 7,381.38-11,091.24-5,549.79

Finding the Fourth Proportional to 7,381.38, 11,091.24 and 5,549.79

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Solution

The fourth proportional to 7,381.38, 11,091.24 and 5,549.79 is: 8,339.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,381.38 : 11,091.24 = 5,549.79 : x
  2. Step 2: Convert to fraction form
    7,381.38/11,091.24 = 5,549.79/x
  3. Step 3: Cross multiply
    7,381.38x = 11,091.24 × 5,549.79
  4. Step 4: Simplify right side
    7,381.38x = 61,554,052.84
  5. Step 5: Solve for x
    x = 61,554,052.84/7,381.38
  6. Step 6: Final answer
    x = 8,339.10

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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.