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Finding the Fourth Proportional to 8,901.33, 13,340.32 and 6,550.33

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Solution

The fourth proportional to 8,901.33, 13,340.32 and 6,550.33 is: 9,816.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,901.33 : 13,340.32 = 6,550.33 : x
  2. Step 2: Convert to fraction form
    8,901.33/13,340.32 = 6,550.33/x
  3. Step 3: Cross multiply
    8,901.33x = 13,340.32 × 6,550.33
  4. Step 4: Simplify right side
    8,901.33x = 87,383,465.55
  5. Step 5: Solve for x
    x = 87,383,465.55/8,901.33
  6. Step 6: Final answer
    x = 9,816.90

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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.