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Finding the Fourth Proportional to 8,550.28, 12,814.62 and 7,283.08

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Solution

The fourth proportional to 8,550.28, 12,814.62 and 7,283.08 is: 10,915.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,550.28 : 12,814.62 = 7,283.08 : x
  2. Step 2: Convert to fraction form
    8,550.28/12,814.62 = 7,283.08/x
  3. Step 3: Cross multiply
    8,550.28x = 12,814.62 × 7,283.08
  4. Step 4: Simplify right side
    8,550.28x = 93,329,902.63
  5. Step 5: Solve for x
    x = 93,329,902.63/8,550.28
  6. Step 6: Final answer
    x = 10,915.42

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1.5x scale

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.