Home / 7,932.31-11,894.55-2,665.51

Finding the Fourth Proportional to 7,932.31, 11,894.55 and 2,665.51

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Solution

The fourth proportional to 7,932.31, 11,894.55 and 2,665.51 is: 3,996.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,932.31 : 11,894.55 = 2,665.51 : x
  2. Step 2: Convert to fraction form
    7,932.31/11,894.55 = 2,665.51/x
  3. Step 3: Cross multiply
    7,932.31x = 11,894.55 × 2,665.51
  4. Step 4: Simplify right side
    7,932.31x = 31,705,041.97
  5. Step 5: Solve for x
    x = 31,705,041.97/7,932.31
  6. Step 6: Final answer
    x = 3,996.95

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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.