Home / 7,149.56-10,726.01-2,218.95

Finding the Fourth Proportional to 7,149.56, 10,726.01 and 2,218.95

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Solution

The fourth proportional to 7,149.56, 10,726.01 and 2,218.95 is: 3,328.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,149.56 : 10,726.01 = 2,218.95 : x
  2. Step 2: Convert to fraction form
    7,149.56/10,726.01 = 2,218.95/x
  3. Step 3: Cross multiply
    7,149.56x = 10,726.01 × 2,218.95
  4. Step 4: Simplify right side
    7,149.56x = 23,800,468.79
  5. Step 5: Solve for x
    x = 23,800,468.79/7,149.56
  6. Step 6: Final answer
    x = 3,328.94

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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.