Home / 8,879.22-13,306.53-5,586.42

Finding the Fourth Proportional to 8,879.22, 13,306.53 and 5,586.42

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Solution

The fourth proportional to 8,879.22, 13,306.53 and 5,586.42 is: 8,371.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,879.22 : 13,306.53 = 5,586.42 : x
  2. Step 2: Convert to fraction form
    8,879.22/13,306.53 = 5,586.42/x
  3. Step 3: Cross multiply
    8,879.22x = 13,306.53 × 5,586.42
  4. Step 4: Simplify right side
    8,879.22x = 74,335,829.90
  5. Step 5: Solve for x
    x = 74,335,829.90/8,879.22
  6. Step 6: Final answer
    x = 8,371.89

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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.