Home / 7,964.38-11,946.56-2,770.25

Finding the Fourth Proportional to 7,964.38, 11,946.56 and 2,770.25

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Solution

The fourth proportional to 7,964.38, 11,946.56 and 2,770.25 is: 4,155.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,964.38 : 11,946.56 = 2,770.25 : x
  2. Step 2: Convert to fraction form
    7,964.38/11,946.56 = 2,770.25/x
  3. Step 3: Cross multiply
    7,964.38x = 11,946.56 × 2,770.25
  4. Step 4: Simplify right side
    7,964.38x = 33,094,957.84
  5. Step 5: Solve for x
    x = 33,094,957.84/7,964.38
  6. Step 6: Final answer
    x = 4,155.37

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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.