Home / 7,160.70-10,742.61-2,943.97

Finding the Fourth Proportional to 7,160.70, 10,742.61 and 2,943.97

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Solution

The fourth proportional to 7,160.70, 10,742.61 and 2,943.97 is: 4,416.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,160.70 : 10,742.61 = 2,943.97 : x
  2. Step 2: Convert to fraction form
    7,160.70/10,742.61 = 2,943.97/x
  3. Step 3: Cross multiply
    7,160.70x = 10,742.61 × 2,943.97
  4. Step 4: Simplify right side
    7,160.70x = 31,625,921.56
  5. Step 5: Solve for x
    x = 31,625,921.56/7,160.70
  6. Step 6: Final answer
    x = 4,416.60

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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.