Home / 7,955.78-11,933.67-2,761.52

Finding the Fourth Proportional to 7,955.78, 11,933.67 and 2,761.52

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Solution

The fourth proportional to 7,955.78, 11,933.67 and 2,761.52 is: 4,142.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,955.78 : 11,933.67 = 2,761.52 : x
  2. Step 2: Convert to fraction form
    7,955.78/11,933.67 = 2,761.52/x
  3. Step 3: Cross multiply
    7,955.78x = 11,933.67 × 2,761.52
  4. Step 4: Simplify right side
    7,955.78x = 32,955,068.38
  5. Step 5: Solve for x
    x = 32,955,068.38/7,955.78
  6. Step 6: Final answer
    x = 4,142.28

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Similar ratio
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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.