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Finding the Fourth Proportional to 9,892.77, 14,844.96 and 3,657.18

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Solution

The fourth proportional to 9,892.77, 14,844.96 and 3,657.18 is: 5,487.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,892.77 : 14,844.96 = 3,657.18 : x
  2. Step 2: Convert to fraction form
    9,892.77/14,844.96 = 3,657.18/x
  3. Step 3: Cross multiply
    9,892.77x = 14,844.96 × 3,657.18
  4. Step 4: Simplify right side
    9,892.77x = 54,290,690.81
  5. Step 5: Solve for x
    x = 54,290,690.81/9,892.77
  6. Step 6: Final answer
    x = 5,487.92

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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.