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Finding the Fourth Proportional to 5,363.40, 8,047.40 and 2,768.16

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Solution

The fourth proportional to 5,363.40, 8,047.40 and 2,768.16 is: 4,153.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,363.40 : 8,047.40 = 2,768.16 : x
  2. Step 2: Convert to fraction form
    5,363.40/8,047.40 = 2,768.16/x
  3. Step 3: Cross multiply
    5,363.40x = 8,047.40 × 2,768.16
  4. Step 4: Simplify right side
    5,363.40x = 22,276,490.78
  5. Step 5: Solve for x
    x = 22,276,490.78/5,363.40
  6. Step 6: Final answer
    x = 4,153.43

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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.