Home / 5,227.05-7,213.30-2,869.14

Finding the Fourth Proportional to 5,227.05, 7,213.30 and 2,869.14

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Solution

The fourth proportional to 5,227.05, 7,213.30 and 2,869.14 is: 3,959.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,227.05 : 7,213.30 = 2,869.14 : x
  2. Step 2: Convert to fraction form
    5,227.05/7,213.30 = 2,869.14/x
  3. Step 3: Cross multiply
    5,227.05x = 7,213.30 × 2,869.14
  4. Step 4: Simplify right side
    5,227.05x = 20,695,967.56
  5. Step 5: Solve for x
    x = 20,695,967.56/5,227.05
  6. Step 6: Final answer
    x = 3,959.40

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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.