Home / 7,964.15-11,946.29-2,766.38

Finding the Fourth Proportional to 7,964.15, 11,946.29 and 2,766.38

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Solution

The fourth proportional to 7,964.15, 11,946.29 and 2,766.38 is: 4,149.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,964.15 : 11,946.29 = 2,766.38 : x
  2. Step 2: Convert to fraction form
    7,964.15/11,946.29 = 2,766.38/x
  3. Step 3: Cross multiply
    7,964.15x = 11,946.29 × 2,766.38
  4. Step 4: Simplify right side
    7,964.15x = 33,047,904.17
  5. Step 5: Solve for x
    x = 33,047,904.17/7,964.15
  6. Step 6: Final answer
    x = 4,149.59

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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.