Home / 8,871.15-13,306.73-3,609.02

Finding the Fourth Proportional to 8,871.15, 13,306.73 and 3,609.02

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Solution

The fourth proportional to 8,871.15, 13,306.73 and 3,609.02 is: 5,413.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,871.15 : 13,306.73 = 3,609.02 : x
  2. Step 2: Convert to fraction form
    8,871.15/13,306.73 = 3,609.02/x
  3. Step 3: Cross multiply
    8,871.15x = 13,306.73 × 3,609.02
  4. Step 4: Simplify right side
    8,871.15x = 48,024,254.70
  5. Step 5: Solve for x
    x = 48,024,254.70/8,871.15
  6. Step 6: Final answer
    x = 5,413.53

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Similar ratio
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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.