Home / 5,429.27-8,144.31-2,658.26

Finding the Fourth Proportional to 5,429.27, 8,144.31 and 2,658.26

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Solution

The fourth proportional to 5,429.27, 8,144.31 and 2,658.26 is: 3,987.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,429.27 : 8,144.31 = 2,658.26 : x
  2. Step 2: Convert to fraction form
    5,429.27/8,144.31 = 2,658.26/x
  3. Step 3: Cross multiply
    5,429.27x = 8,144.31 × 2,658.26
  4. Step 4: Simplify right side
    5,429.27x = 21,649,693.50
  5. Step 5: Solve for x
    x = 21,649,693.50/5,429.27
  6. Step 6: Final answer
    x = 3,987.59

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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.