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Finding the Fourth Proportional to 8,892.16, 13,338.88 and 3,699.20

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Solution

The fourth proportional to 8,892.16, 13,338.88 and 3,699.20 is: 5,549.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,892.16 : 13,338.88 = 3,699.20 : x
  2. Step 2: Convert to fraction form
    8,892.16/13,338.88 = 3,699.20/x
  3. Step 3: Cross multiply
    8,892.16x = 13,338.88 × 3,699.20
  4. Step 4: Simplify right side
    8,892.16x = 49,343,184.90
  5. Step 5: Solve for x
    x = 49,343,184.90/8,892.16
  6. Step 6: Final answer
    x = 5,549.07

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.