Home / 7,186.35-10,780.55-2,256.38

Finding the Fourth Proportional to 7,186.35, 10,780.55 and 2,256.38

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Solution

The fourth proportional to 7,186.35, 10,780.55 and 2,256.38 is: 3,384.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,186.35 : 10,780.55 = 2,256.38 : x
  2. Step 2: Convert to fraction form
    7,186.35/10,780.55 = 2,256.38/x
  3. Step 3: Cross multiply
    7,186.35x = 10,780.55 × 2,256.38
  4. Step 4: Simplify right side
    7,186.35x = 24,324,952.22
  5. Step 5: Solve for x
    x = 24,324,952.22/7,186.35
  6. Step 6: Final answer
    x = 3,384.88

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1.5x scale

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.