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Finding the Fourth Proportional to 5,977.91, 8,967.20 and 1,818.05

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Solution

The fourth proportional to 5,977.91, 8,967.20 and 1,818.05 is: 2,727.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,977.91 : 8,967.20 = 1,818.05 : x
  2. Step 2: Convert to fraction form
    5,977.91/8,967.20 = 1,818.05/x
  3. Step 3: Cross multiply
    5,977.91x = 8,967.20 × 1,818.05
  4. Step 4: Simplify right side
    5,977.91x = 16,302,764.03
  5. Step 5: Solve for x
    x = 16,302,764.03/5,977.91
  6. Step 6: Final answer
    x = 2,727.17

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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.