Home / 4,105.74-6,155.46-1,330.73

Finding the Fourth Proportional to 4,105.74, 6,155.46 and 1,330.73

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Solution

The fourth proportional to 4,105.74, 6,155.46 and 1,330.73 is: 1,995.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,105.74 : 6,155.46 = 1,330.73 : x
  2. Step 2: Convert to fraction form
    4,105.74/6,155.46 = 1,330.73/x
  3. Step 3: Cross multiply
    4,105.74x = 6,155.46 × 1,330.73
  4. Step 4: Simplify right side
    4,105.74x = 8,191,224.51
  5. Step 5: Solve for x
    x = 8,191,224.51/4,105.74
  6. Step 6: Final answer
    x = 1,995.07

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Double scale
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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.