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Finding the Fourth Proportional to 8,894.16, 12,278.64 and 5,752.14

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Solution

The fourth proportional to 8,894.16, 12,278.64 and 5,752.14 is: 7,940.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,894.16 : 12,278.64 = 5,752.14 : x
  2. Step 2: Convert to fraction form
    8,894.16/12,278.64 = 5,752.14/x
  3. Step 3: Cross multiply
    8,894.16x = 12,278.64 × 5,752.14
  4. Step 4: Simplify right side
    8,894.16x = 70,628,456.29
  5. Step 5: Solve for x
    x = 70,628,456.29/8,894.16
  6. Step 6: Final answer
    x = 7,940.99

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.