Home / 7,161.10-10,743.48-2,230.76

Finding the Fourth Proportional to 7,161.10, 10,743.48 and 2,230.76

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Solution

The fourth proportional to 7,161.10, 10,743.48 and 2,230.76 is: 3,346.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,161.10 : 10,743.48 = 2,230.76 : x
  2. Step 2: Convert to fraction form
    7,161.10/10,743.48 = 2,230.76/x
  3. Step 3: Cross multiply
    7,161.10x = 10,743.48 × 2,230.76
  4. Step 4: Simplify right side
    7,161.10x = 23,966,152.30
  5. Step 5: Solve for x
    x = 23,966,152.30/7,161.10
  6. Step 6: Final answer
    x = 3,346.71

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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.