Home / 7,302.38-10,961.37-3,144.45

Finding the Fourth Proportional to 7,302.38, 10,961.37 and 3,144.45

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Solution

The fourth proportional to 7,302.38, 10,961.37 and 3,144.45 is: 4,720.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,302.38 : 10,961.37 = 3,144.45 : x
  2. Step 2: Convert to fraction form
    7,302.38/10,961.37 = 3,144.45/x
  3. Step 3: Cross multiply
    7,302.38x = 10,961.37 × 3,144.45
  4. Step 4: Simplify right side
    7,302.38x = 34,467,479.90
  5. Step 5: Solve for x
    x = 34,467,479.90/7,302.38
  6. Step 6: Final answer
    x = 4,720.04

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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.