Home / 4,015.20-6,022.80-3,407.70

Finding the Fourth Proportional to 4,015.20, 6,022.80 and 3,407.70

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Solution

The fourth proportional to 4,015.20, 6,022.80 and 3,407.70 is: 5,111.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,015.20 : 6,022.80 = 3,407.70 : x
  2. Step 2: Convert to fraction form
    4,015.20/6,022.80 = 3,407.70/x
  3. Step 3: Cross multiply
    4,015.20x = 6,022.80 × 3,407.70
  4. Step 4: Simplify right side
    4,015.20x = 20,523,895.56
  5. Step 5: Solve for x
    x = 20,523,895.56/4,015.20
  6. Step 6: Final answer
    x = 5,111.55

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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.