Home / 5,561.73-8,344.17-2,785.05

Finding the Fourth Proportional to 5,561.73, 8,344.17 and 2,785.05

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Solution

The fourth proportional to 5,561.73, 8,344.17 and 2,785.05 is: 4,178.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,561.73 : 8,344.17 = 2,785.05 : x
  2. Step 2: Convert to fraction form
    5,561.73/8,344.17 = 2,785.05/x
  3. Step 3: Cross multiply
    5,561.73x = 8,344.17 × 2,785.05
  4. Step 4: Simplify right side
    5,561.73x = 23,238,930.66
  5. Step 5: Solve for x
    x = 23,238,930.66/5,561.73
  6. Step 6: Final answer
    x = 4,178.36

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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.