Home / 5,982.75-8,263.11-3,989.85

Finding the Fourth Proportional to 5,982.75, 8,263.11 and 3,989.85

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Solution

The fourth proportional to 5,982.75, 8,263.11 and 3,989.85 is: 5,510.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,982.75 : 8,263.11 = 3,989.85 : x
  2. Step 2: Convert to fraction form
    5,982.75/8,263.11 = 3,989.85/x
  3. Step 3: Cross multiply
    5,982.75x = 8,263.11 × 3,989.85
  4. Step 4: Simplify right side
    5,982.75x = 32,968,569.43
  5. Step 5: Solve for x
    x = 32,968,569.43/5,982.75
  6. Step 6: Final answer
    x = 5,510.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.