Home / 4,139.90-6,209.85-3,722.30

Finding the Fourth Proportional to 4,139.90, 6,209.85 and 3,722.30

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Solution

The fourth proportional to 4,139.90, 6,209.85 and 3,722.30 is: 5,583.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,139.90 : 6,209.85 = 3,722.30 : x
  2. Step 2: Convert to fraction form
    4,139.90/6,209.85 = 3,722.30/x
  3. Step 3: Cross multiply
    4,139.90x = 6,209.85 × 3,722.30
  4. Step 4: Simplify right side
    4,139.90x = 23,114,924.66
  5. Step 5: Solve for x
    x = 23,114,924.66/4,139.90
  6. Step 6: Final answer
    x = 5,583.45

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Similar ratio
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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.