Home / 7,112.88-10,669.79-2,182.55

Finding the Fourth Proportional to 7,112.88, 10,669.79 and 2,182.55

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Solution

The fourth proportional to 7,112.88, 10,669.79 and 2,182.55 is: 3,273.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,112.88 : 10,669.79 = 2,182.55 : x
  2. Step 2: Convert to fraction form
    7,112.88/10,669.79 = 2,182.55/x
  3. Step 3: Cross multiply
    7,112.88x = 10,669.79 × 2,182.55
  4. Step 4: Simplify right side
    7,112.88x = 23,287,302.27
  5. Step 5: Solve for x
    x = 23,287,302.27/7,112.88
  6. Step 6: Final answer
    x = 3,273.96

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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.