Home / 7,026.72-10,538.14-2,641.78

Finding the Fourth Proportional to 7,026.72, 10,538.14 and 2,641.78

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Solution

The fourth proportional to 7,026.72, 10,538.14 and 2,641.78 is: 3,961.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,026.72 : 10,538.14 = 2,641.78 : x
  2. Step 2: Convert to fraction form
    7,026.72/10,538.14 = 2,641.78/x
  3. Step 3: Cross multiply
    7,026.72x = 10,538.14 × 2,641.78
  4. Step 4: Simplify right side
    7,026.72x = 27,839,447.49
  5. Step 5: Solve for x
    x = 27,839,447.49/7,026.72
  6. Step 6: Final answer
    x = 3,961.94

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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.