Home / 5,327.10-7,988.76-1,816.43

Finding the Fourth Proportional to 5,327.10, 7,988.76 and 1,816.43

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Solution

The fourth proportional to 5,327.10, 7,988.76 and 1,816.43 is: 2,723.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,327.10 : 7,988.76 = 1,816.43 : x
  2. Step 2: Convert to fraction form
    5,327.10/7,988.76 = 1,816.43/x
  3. Step 3: Cross multiply
    5,327.10x = 7,988.76 × 1,816.43
  4. Step 4: Simplify right side
    5,327.10x = 14,510,983.38
  5. Step 5: Solve for x
    x = 14,510,983.38/5,327.10
  6. Step 6: Final answer
    x = 2,723.99

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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.