Home / 7,955.28-11,932.31-2,690.73

Finding the Fourth Proportional to 7,955.28, 11,932.31 and 2,690.73

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Solution

The fourth proportional to 7,955.28, 11,932.31 and 2,690.73 is: 4,035.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,955.28 : 11,932.31 = 2,690.73 : x
  2. Step 2: Convert to fraction form
    7,955.28/11,932.31 = 2,690.73/x
  3. Step 3: Cross multiply
    7,955.28x = 11,932.31 × 2,690.73
  4. Step 4: Simplify right side
    7,955.28x = 32,106,631.21
  5. Step 5: Solve for x
    x = 32,106,631.21/7,955.28
  6. Step 6: Final answer
    x = 4,035.89

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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.