Home / 5,195.96-7,170.45-2,838.14

Finding the Fourth Proportional to 5,195.96, 7,170.45 and 2,838.14

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Solution

The fourth proportional to 5,195.96, 7,170.45 and 2,838.14 is: 3,916.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,195.96 : 7,170.45 = 2,838.14 : x
  2. Step 2: Convert to fraction form
    5,195.96/7,170.45 = 2,838.14/x
  3. Step 3: Cross multiply
    5,195.96x = 7,170.45 × 2,838.14
  4. Step 4: Simplify right side
    5,195.96x = 20,350,740.96
  5. Step 5: Solve for x
    x = 20,350,740.96/5,195.96
  6. Step 6: Final answer
    x = 3,916.65

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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.