Home / 7,631.58-11,449.11-2,951.62

Finding the Fourth Proportional to 7,631.58, 11,449.11 and 2,951.62

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Solution

The fourth proportional to 7,631.58, 11,449.11 and 2,951.62 is: 4,428.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,631.58 : 11,449.11 = 2,951.62 : x
  2. Step 2: Convert to fraction form
    7,631.58/11,449.11 = 2,951.62/x
  3. Step 3: Cross multiply
    7,631.58x = 11,449.11 × 2,951.62
  4. Step 4: Simplify right side
    7,631.58x = 33,793,422.06
  5. Step 5: Solve for x
    x = 33,793,422.06/7,631.58
  6. Step 6: Final answer
    x = 4,428.10

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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.