Home / 7,273.38-10,909.46-2,889.66

Finding the Fourth Proportional to 7,273.38, 10,909.46 and 2,889.66

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Solution

The fourth proportional to 7,273.38, 10,909.46 and 2,889.66 is: 4,334.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,273.38 : 10,909.46 = 2,889.66 : x
  2. Step 2: Convert to fraction form
    7,273.38/10,909.46 = 2,889.66/x
  3. Step 3: Cross multiply
    7,273.38x = 10,909.46 × 2,889.66
  4. Step 4: Simplify right side
    7,273.38x = 31,524,630.18
  5. Step 5: Solve for x
    x = 31,524,630.18/7,273.38
  6. Step 6: Final answer
    x = 4,334.25

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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.