Home / 7,677.62-11,515.92-2,996.76

Finding the Fourth Proportional to 7,677.62, 11,515.92 and 2,996.76

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Solution

The fourth proportional to 7,677.62, 11,515.92 and 2,996.76 is: 4,494.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,677.62 : 11,515.92 = 2,996.76 : x
  2. Step 2: Convert to fraction form
    7,677.62/11,515.92 = 2,996.76/x
  3. Step 3: Cross multiply
    7,677.62x = 11,515.92 × 2,996.76
  4. Step 4: Simplify right side
    7,677.62x = 34,510,448.42
  5. Step 5: Solve for x
    x = 34,510,448.42/7,677.62
  6. Step 6: Final answer
    x = 4,494.94

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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.