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Finding the Fourth Proportional to 8,194.40, 11,305.06 and 5,045.12

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Solution

The fourth proportional to 8,194.40, 11,305.06 and 5,045.12 is: 6,960.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,194.40 : 11,305.06 = 5,045.12 : x
  2. Step 2: Convert to fraction form
    8,194.40/11,305.06 = 5,045.12/x
  3. Step 3: Cross multiply
    8,194.40x = 11,305.06 × 5,045.12
  4. Step 4: Simplify right side
    8,194.40x = 57,035,315.17
  5. Step 5: Solve for x
    x = 57,035,315.17/8,194.40
  6. Step 6: Final answer
    x = 6,960.28

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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.