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Finding the Fourth Proportional to 8,466.54, 12,701.97 and 2,623.20

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Solution

The fourth proportional to 8,466.54, 12,701.97 and 2,623.20 is: 3,935.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,466.54 : 12,701.97 = 2,623.20 : x
  2. Step 2: Convert to fraction form
    8,466.54/12,701.97 = 2,623.20/x
  3. Step 3: Cross multiply
    8,466.54x = 12,701.97 × 2,623.20
  4. Step 4: Simplify right side
    8,466.54x = 33,319,807.70
  5. Step 5: Solve for x
    x = 33,319,807.70/8,466.54
  6. Step 6: Final answer
    x = 3,935.47

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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.