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Finding the Fourth Proportional to 5,283.11, 7,926.03 and 1,996.23

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Solution

The fourth proportional to 5,283.11, 7,926.03 and 1,996.23 is: 2,994.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,283.11 : 7,926.03 = 1,996.23 : x
  2. Step 2: Convert to fraction form
    5,283.11/7,926.03 = 1,996.23/x
  3. Step 3: Cross multiply
    5,283.11x = 7,926.03 × 1,996.23
  4. Step 4: Simplify right side
    5,283.11x = 15,822,178.87
  5. Step 5: Solve for x
    x = 15,822,178.87/5,283.11
  6. Step 6: Final answer
    x = 2,994.86

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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.