Home / 6,757.38-10,121.40-6,393.42

Finding the Fourth Proportional to 6,757.38, 10,121.40 and 6,393.42

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Solution

The fourth proportional to 6,757.38, 10,121.40 and 6,393.42 is: 9,576.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,757.38 : 10,121.40 = 6,393.42 : x
  2. Step 2: Convert to fraction form
    6,757.38/10,121.40 = 6,393.42/x
  3. Step 3: Cross multiply
    6,757.38x = 10,121.40 × 6,393.42
  4. Step 4: Simplify right side
    6,757.38x = 64,710,361.19
  5. Step 5: Solve for x
    x = 64,710,361.19/6,757.38
  6. Step 6: Final answer
    x = 9,576.25

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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.