Home / 7,158.20-10,736.70-2,227.76

Finding the Fourth Proportional to 7,158.20, 10,736.70 and 2,227.76

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Solution

The fourth proportional to 7,158.20, 10,736.70 and 2,227.76 is: 3,341.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,158.20 : 10,736.70 = 2,227.76 : x
  2. Step 2: Convert to fraction form
    7,158.20/10,736.70 = 2,227.76/x
  3. Step 3: Cross multiply
    7,158.20x = 10,736.70 × 2,227.76
  4. Step 4: Simplify right side
    7,158.20x = 23,918,790.79
  5. Step 5: Solve for x
    x = 23,918,790.79/7,158.20
  6. Step 6: Final answer
    x = 3,341.45

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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.