Home / 7,227.40-10,849.20-5,591.20

Finding the Fourth Proportional to 7,227.40, 10,849.20 and 5,591.20

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Solution

The fourth proportional to 7,227.40, 10,849.20 and 5,591.20 is: 8,393.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,227.40 : 10,849.20 = 5,591.20 : x
  2. Step 2: Convert to fraction form
    7,227.40/10,849.20 = 5,591.20/x
  3. Step 3: Cross multiply
    7,227.40x = 10,849.20 × 5,591.20
  4. Step 4: Simplify right side
    7,227.40x = 60,660,047.04
  5. Step 5: Solve for x
    x = 60,660,047.04/7,227.40
  6. Step 6: Final answer
    x = 8,393.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.