Home / 5,613.20-8,413.07-2,489.68

Finding the Fourth Proportional to 5,613.20, 8,413.07 and 2,489.68

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Solution

The fourth proportional to 5,613.20, 8,413.07 and 2,489.68 is: 3,731.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,613.20 : 8,413.07 = 2,489.68 : x
  2. Step 2: Convert to fraction form
    5,613.20/8,413.07 = 2,489.68/x
  3. Step 3: Cross multiply
    5,613.20x = 8,413.07 × 2,489.68
  4. Step 4: Simplify right side
    5,613.20x = 20,945,837.34
  5. Step 5: Solve for x
    x = 20,945,837.34/5,613.20
  6. Step 6: Final answer
    x = 3,731.53

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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.