Home / 7,186.95-10,776.60-2,255.31

Finding the Fourth Proportional to 7,186.95, 10,776.60 and 2,255.31

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Solution

The fourth proportional to 7,186.95, 10,776.60 and 2,255.31 is: 3,381.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,186.95 : 10,776.60 = 2,255.31 : x
  2. Step 2: Convert to fraction form
    7,186.95/10,776.60 = 2,255.31/x
  3. Step 3: Cross multiply
    7,186.95x = 10,776.60 × 2,255.31
  4. Step 4: Simplify right side
    7,186.95x = 24,304,573.75
  5. Step 5: Solve for x
    x = 24,304,573.75/7,186.95
  6. Step 6: Final answer
    x = 3,381.76

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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.