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Finding the Fourth Proportional to 8,752.80, 12,072.48 and 6,196.48

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Solution

The fourth proportional to 8,752.80, 12,072.48 and 6,196.48 is: 8,546.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,752.80 : 12,072.48 = 6,196.48 : x
  2. Step 2: Convert to fraction form
    8,752.80/12,072.48 = 6,196.48/x
  3. Step 3: Cross multiply
    8,752.80x = 12,072.48 × 6,196.48
  4. Step 4: Simplify right side
    8,752.80x = 74,806,880.87
  5. Step 5: Solve for x
    x = 74,806,880.87/8,752.80
  6. Step 6: Final answer
    x = 8,546.62

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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.