Home / 7,091.06-10,640.18-2,934.05

Finding the Fourth Proportional to 7,091.06, 10,640.18 and 2,934.05

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Solution

The fourth proportional to 7,091.06, 10,640.18 and 2,934.05 is: 4,402.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,091.06 : 10,640.18 = 2,934.05 : x
  2. Step 2: Convert to fraction form
    7,091.06/10,640.18 = 2,934.05/x
  3. Step 3: Cross multiply
    7,091.06x = 10,640.18 × 2,934.05
  4. Step 4: Simplify right side
    7,091.06x = 31,218,820.13
  5. Step 5: Solve for x
    x = 31,218,820.13/7,091.06
  6. Step 6: Final answer
    x = 4,402.56

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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.