Home / 5,982.38-8,262.60-3,989.48

Finding the Fourth Proportional to 5,982.38, 8,262.60 and 3,989.48

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Solution

The fourth proportional to 5,982.38, 8,262.60 and 3,989.48 is: 5,510.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,982.38 : 8,262.60 = 3,989.48 : x
  2. Step 2: Convert to fraction form
    5,982.38/8,262.60 = 3,989.48/x
  3. Step 3: Cross multiply
    5,982.38x = 8,262.60 × 3,989.48
  4. Step 4: Simplify right side
    5,982.38x = 32,963,421.17
  5. Step 5: Solve for x
    x = 32,963,421.17/5,982.38
  6. Step 6: Final answer
    x = 5,510.09

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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.