Home / 8,060.27-11,127.81-5,370.78

Finding the Fourth Proportional to 8,060.27, 11,127.81 and 5,370.78

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Solution

The fourth proportional to 8,060.27, 11,127.81 and 5,370.78 is: 7,414.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,060.27 : 11,127.81 = 5,370.78 : x
  2. Step 2: Convert to fraction form
    8,060.27/11,127.81 = 5,370.78/x
  3. Step 3: Cross multiply
    8,060.27x = 11,127.81 × 5,370.78
  4. Step 4: Simplify right side
    8,060.27x = 59,765,004.65
  5. Step 5: Solve for x
    x = 59,765,004.65/8,060.27
  6. Step 6: Final answer
    x = 7,414.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.