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Finding the Fourth Proportional to 5,978.08, 8,967.11 and 1,818.07

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Solution

The fourth proportional to 5,978.08, 8,967.11 and 1,818.07 is: 2,727.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,978.08 : 8,967.11 = 1,818.07 : x
  2. Step 2: Convert to fraction form
    5,978.08/8,967.11 = 1,818.07/x
  3. Step 3: Cross multiply
    5,978.08x = 8,967.11 × 1,818.07
  4. Step 4: Simplify right side
    5,978.08x = 16,302,833.68
  5. Step 5: Solve for x
    x = 16,302,833.68/5,978.08
  6. Step 6: Final answer
    x = 2,727.10

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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.