Home / 7,965.38-11,957.30-4,274.82

Finding the Fourth Proportional to 7,965.38, 11,957.30 and 4,274.82

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Solution

The fourth proportional to 7,965.38, 11,957.30 and 4,274.82 is: 6,417.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,965.38 : 11,957.30 = 4,274.82 : x
  2. Step 2: Convert to fraction form
    7,965.38/11,957.30 = 4,274.82/x
  3. Step 3: Cross multiply
    7,965.38x = 11,957.30 × 4,274.82
  4. Step 4: Simplify right side
    7,965.38x = 51,115,283.81
  5. Step 5: Solve for x
    x = 51,115,283.81/7,965.38
  6. Step 6: Final answer
    x = 6,417.18

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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.