Home / 8,191.07-12,288.45-2,996.94

Finding the Fourth Proportional to 8,191.07, 12,288.45 and 2,996.94

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Solution

The fourth proportional to 8,191.07, 12,288.45 and 2,996.94 is: 4,496.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,191.07 : 12,288.45 = 2,996.94 : x
  2. Step 2: Convert to fraction form
    8,191.07/12,288.45 = 2,996.94/x
  3. Step 3: Cross multiply
    8,191.07x = 12,288.45 × 2,996.94
  4. Step 4: Simplify right side
    8,191.07x = 36,827,747.34
  5. Step 5: Solve for x
    x = 36,827,747.34/8,191.07
  6. Step 6: Final answer
    x = 4,496.09

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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.