Home / 4,113.80-6,177.90-3,984.20

Finding the Fourth Proportional to 4,113.80, 6,177.90 and 3,984.20

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Solution

The fourth proportional to 4,113.80, 6,177.90 and 3,984.20 is: 5,983.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,113.80 : 6,177.90 = 3,984.20 : x
  2. Step 2: Convert to fraction form
    4,113.80/6,177.90 = 3,984.20/x
  3. Step 3: Cross multiply
    4,113.80x = 6,177.90 × 3,984.20
  4. Step 4: Simplify right side
    4,113.80x = 24,613,989.18
  5. Step 5: Solve for x
    x = 24,613,989.18/4,113.80
  6. Step 6: Final answer
    x = 5,983.27

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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.