Home / 4,104.20-6,156.38-1,330.87

Finding the Fourth Proportional to 4,104.20, 6,156.38 and 1,330.87

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Solution

The fourth proportional to 4,104.20, 6,156.38 and 1,330.87 is: 1,996.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,104.20 : 6,156.38 = 1,330.87 : x
  2. Step 2: Convert to fraction form
    4,104.20/6,156.38 = 1,330.87/x
  3. Step 3: Cross multiply
    4,104.20x = 6,156.38 × 1,330.87
  4. Step 4: Simplify right side
    4,104.20x = 8,193,340.93
  5. Step 5: Solve for x
    x = 8,193,340.93/4,104.20
  6. Step 6: Final answer
    x = 1,996.33

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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.