Home / 5,589.28-7,713.36-3,105.44

Finding the Fourth Proportional to 5,589.28, 7,713.36 and 3,105.44

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Solution

The fourth proportional to 5,589.28, 7,713.36 and 3,105.44 is: 4,285.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,589.28 : 7,713.36 = 3,105.44 : x
  2. Step 2: Convert to fraction form
    5,589.28/7,713.36 = 3,105.44/x
  3. Step 3: Cross multiply
    5,589.28x = 7,713.36 × 3,105.44
  4. Step 4: Simplify right side
    5,589.28x = 23,953,376.68
  5. Step 5: Solve for x
    x = 23,953,376.68/5,589.28
  6. Step 6: Final answer
    x = 4,285.59

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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.