Home / 5,704.33-7,872.11-3,186.31

Finding the Fourth Proportional to 5,704.33, 7,872.11 and 3,186.31

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Solution

The fourth proportional to 5,704.33, 7,872.11 and 3,186.31 is: 4,397.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,704.33 : 7,872.11 = 3,186.31 : x
  2. Step 2: Convert to fraction form
    5,704.33/7,872.11 = 3,186.31/x
  3. Step 3: Cross multiply
    5,704.33x = 7,872.11 × 3,186.31
  4. Step 4: Simplify right side
    5,704.33x = 25,082,982.81
  5. Step 5: Solve for x
    x = 25,082,982.81/5,704.33
  6. Step 6: Final answer
    x = 4,397.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.