Home / 5,981.22-8,987.76-3,209.94

Finding the Fourth Proportional to 5,981.22, 8,987.76 and 3,209.94

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Solution

The fourth proportional to 5,981.22, 8,987.76 and 3,209.94 is: 4,823.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,981.22 : 8,987.76 = 3,209.94 : x
  2. Step 2: Convert to fraction form
    5,981.22/8,987.76 = 3,209.94/x
  3. Step 3: Cross multiply
    5,981.22x = 8,987.76 × 3,209.94
  4. Step 4: Simplify right side
    5,981.22x = 28,850,170.33
  5. Step 5: Solve for x
    x = 28,850,170.33/5,981.22
  6. Step 6: Final answer
    x = 4,823.46

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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.