Home / 4,507.38-6,760.56-1,220.79

Finding the Fourth Proportional to 4,507.38, 6,760.56 and 1,220.79

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Solution

The fourth proportional to 4,507.38, 6,760.56 and 1,220.79 is: 1,831.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,507.38 : 6,760.56 = 1,220.79 : x
  2. Step 2: Convert to fraction form
    4,507.38/6,760.56 = 1,220.79/x
  3. Step 3: Cross multiply
    4,507.38x = 6,760.56 × 1,220.79
  4. Step 4: Simplify right side
    4,507.38x = 8,253,224.04
  5. Step 5: Solve for x
    x = 8,253,224.04/4,507.38
  6. Step 6: Final answer
    x = 1,831.05

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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.