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Finding the Fourth Proportional to 8,843.58, 12,214.98 and 6,615.36

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Solution

The fourth proportional to 8,843.58, 12,214.98 and 6,615.36 is: 9,137.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,843.58 : 12,214.98 = 6,615.36 : x
  2. Step 2: Convert to fraction form
    8,843.58/12,214.98 = 6,615.36/x
  3. Step 3: Cross multiply
    8,843.58x = 12,214.98 × 6,615.36
  4. Step 4: Simplify right side
    8,843.58x = 80,806,490.09
  5. Step 5: Solve for x
    x = 80,806,490.09/8,843.58
  6. Step 6: Final answer
    x = 9,137.31

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1.5x scale

Why These Related Problems?

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