Home / 5,227.30-7,213.46-2,869.50

Finding the Fourth Proportional to 5,227.30, 7,213.46 and 2,869.50

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Solution

The fourth proportional to 5,227.30, 7,213.46 and 2,869.50 is: 3,959.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,227.30 : 7,213.46 = 2,869.50 : x
  2. Step 2: Convert to fraction form
    5,227.30/7,213.46 = 2,869.50/x
  3. Step 3: Cross multiply
    5,227.30x = 7,213.46 × 2,869.50
  4. Step 4: Simplify right side
    5,227.30x = 20,698,973.06
  5. Step 5: Solve for x
    x = 20,698,973.06/5,227.30
  6. Step 6: Final answer
    x = 3,959.78

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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.