Home / 7,158.60-10,738.35-2,228.43

Finding the Fourth Proportional to 7,158.60, 10,738.35 and 2,228.43

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Solution

The fourth proportional to 7,158.60, 10,738.35 and 2,228.43 is: 3,342.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,158.60 : 10,738.35 = 2,228.43 : x
  2. Step 2: Convert to fraction form
    7,158.60/10,738.35 = 2,228.43/x
  3. Step 3: Cross multiply
    7,158.60x = 10,738.35 × 2,228.43
  4. Step 4: Simplify right side
    7,158.60x = 23,929,661.29
  5. Step 5: Solve for x
    x = 23,929,661.29/7,158.60
  6. Step 6: Final answer
    x = 3,342.79

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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.