Home / 5,227.75-7,214.30-2,869.89

Finding the Fourth Proportional to 5,227.75, 7,214.30 and 2,869.89

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Solution

The fourth proportional to 5,227.75, 7,214.30 and 2,869.89 is: 3,960.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,227.75 : 7,214.30 = 2,869.89 : x
  2. Step 2: Convert to fraction form
    5,227.75/7,214.30 = 2,869.89/x
  3. Step 3: Cross multiply
    5,227.75x = 7,214.30 × 2,869.89
  4. Step 4: Simplify right side
    5,227.75x = 20,704,247.43
  5. Step 5: Solve for x
    x = 20,704,247.43/5,227.75
  6. Step 6: Final answer
    x = 3,960.45

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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.