Home / 5,393.71-8,091.87-2,760.13

Finding the Fourth Proportional to 5,393.71, 8,091.87 and 2,760.13

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Solution

The fourth proportional to 5,393.71, 8,091.87 and 2,760.13 is: 4,140.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,393.71 : 8,091.87 = 2,760.13 : x
  2. Step 2: Convert to fraction form
    5,393.71/8,091.87 = 2,760.13/x
  3. Step 3: Cross multiply
    5,393.71x = 8,091.87 × 2,760.13
  4. Step 4: Simplify right side
    5,393.71x = 22,334,613.14
  5. Step 5: Solve for x
    x = 22,334,613.14/5,393.71
  6. Step 6: Final answer
    x = 4,140.86

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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.