Home / 8,877.40-13,306.92-3,326.83

Finding the Fourth Proportional to 8,877.40, 13,306.92 and 3,326.83

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Solution

The fourth proportional to 8,877.40, 13,306.92 and 3,326.83 is: 4,986.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,877.40 : 13,306.92 = 3,326.83 : x
  2. Step 2: Convert to fraction form
    8,877.40/13,306.92 = 3,326.83/x
  3. Step 3: Cross multiply
    8,877.40x = 13,306.92 × 3,326.83
  4. Step 4: Simplify right side
    8,877.40x = 44,269,860.66
  5. Step 5: Solve for x
    x = 44,269,860.66/8,877.40
  6. Step 6: Final answer
    x = 4,986.80

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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.