Home / 4,139.08-6,203.10-3,617.80

Finding the Fourth Proportional to 4,139.08, 6,203.10 and 3,617.80

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Solution

The fourth proportional to 4,139.08, 6,203.10 and 3,617.80 is: 5,421.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,139.08 : 6,203.10 = 3,617.80 : x
  2. Step 2: Convert to fraction form
    4,139.08/6,203.10 = 3,617.80/x
  3. Step 3: Cross multiply
    4,139.08x = 6,203.10 × 3,617.80
  4. Step 4: Simplify right side
    4,139.08x = 22,441,575.18
  5. Step 5: Solve for x
    x = 22,441,575.18/4,139.08
  6. Step 6: Final answer
    x = 5,421.88

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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.