Home / 7,955.16-11,935.17-2,764.68

Finding the Fourth Proportional to 7,955.16, 11,935.17 and 2,764.68

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Solution

The fourth proportional to 7,955.16, 11,935.17 and 2,764.68 is: 4,147.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,955.16 : 11,935.17 = 2,764.68 : x
  2. Step 2: Convert to fraction form
    7,955.16/11,935.17 = 2,764.68/x
  3. Step 3: Cross multiply
    7,955.16x = 11,935.17 × 2,764.68
  4. Step 4: Simplify right side
    7,955.16x = 32,996,925.80
  5. Step 5: Solve for x
    x = 32,996,925.80/7,955.16
  6. Step 6: Final answer
    x = 4,147.86

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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.