Home / 5,658.26-7,808.40-3,174.26

Finding the Fourth Proportional to 5,658.26, 7,808.40 and 3,174.26

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Solution

The fourth proportional to 5,658.26, 7,808.40 and 3,174.26 is: 4,380.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,658.26 : 7,808.40 = 3,174.26 : x
  2. Step 2: Convert to fraction form
    5,658.26/7,808.40 = 3,174.26/x
  3. Step 3: Cross multiply
    5,658.26x = 7,808.40 × 3,174.26
  4. Step 4: Simplify right side
    5,658.26x = 24,785,891.78
  5. Step 5: Solve for x
    x = 24,785,891.78/5,658.26
  6. Step 6: Final answer
    x = 4,380.48

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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.