Home / 5,227.36-7,213.80-2,869.76

Finding the Fourth Proportional to 5,227.36, 7,213.80 and 2,869.76

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Solution

The fourth proportional to 5,227.36, 7,213.80 and 2,869.76 is: 3,960.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,227.36 : 7,213.80 = 2,869.76 : x
  2. Step 2: Convert to fraction form
    5,227.36/7,213.80 = 2,869.76/x
  3. Step 3: Cross multiply
    5,227.36x = 7,213.80 × 2,869.76
  4. Step 4: Simplify right side
    5,227.36x = 20,701,874.69
  5. Step 5: Solve for x
    x = 20,701,874.69/5,227.36
  6. Step 6: Final answer
    x = 3,960.29

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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.