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Finding the Fourth Proportional to 5,551.76, 8,318.04 and 2,946.80

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Solution

The fourth proportional to 5,551.76, 8,318.04 and 2,946.80 is: 4,415.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,551.76 : 8,318.04 = 2,946.80 : x
  2. Step 2: Convert to fraction form
    5,551.76/8,318.04 = 2,946.80/x
  3. Step 3: Cross multiply
    5,551.76x = 8,318.04 × 2,946.80
  4. Step 4: Simplify right side
    5,551.76x = 24,511,600.27
  5. Step 5: Solve for x
    x = 24,511,600.27/5,551.76
  6. Step 6: Final answer
    x = 4,415.10

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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.