Home / 7,105.90-10,652.78-2,726.50

Finding the Fourth Proportional to 7,105.90, 10,652.78 and 2,726.50

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Solution

The fourth proportional to 7,105.90, 10,652.78 and 2,726.50 is: 4,087.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,105.90 : 10,652.78 = 2,726.50 : x
  2. Step 2: Convert to fraction form
    7,105.90/10,652.78 = 2,726.50/x
  3. Step 3: Cross multiply
    7,105.90x = 10,652.78 × 2,726.50
  4. Step 4: Simplify right side
    7,105.90x = 29,044,791.04
  5. Step 5: Solve for x
    x = 29,044,791.04/7,105.90
  6. Step 6: Final answer
    x = 4,087.42

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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.