Home / 4,105.05-6,158.19-1,507.78

Finding the Fourth Proportional to 4,105.05, 6,158.19 and 1,507.78

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Solution

The fourth proportional to 4,105.05, 6,158.19 and 1,507.78 is: 2,261.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,105.05 : 6,158.19 = 1,507.78 : x
  2. Step 2: Convert to fraction form
    4,105.05/6,158.19 = 1,507.78/x
  3. Step 3: Cross multiply
    4,105.05x = 6,158.19 × 1,507.78
  4. Step 4: Simplify right side
    4,105.05x = 9,285,209.07
  5. Step 5: Solve for x
    x = 9,285,209.07/4,105.05
  6. Step 6: Final answer
    x = 2,261.90

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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.