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Finding the Fourth Proportional to 8,901.39, 13,340.41 and 6,550.39

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Solution

The fourth proportional to 8,901.39, 13,340.41 and 6,550.39 is: 9,816.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,901.39 : 13,340.41 = 6,550.39 : x
  2. Step 2: Convert to fraction form
    8,901.39/13,340.41 = 6,550.39/x
  3. Step 3: Cross multiply
    8,901.39x = 13,340.41 × 6,550.39
  4. Step 4: Simplify right side
    8,901.39x = 87,384,888.56
  5. Step 5: Solve for x
    x = 87,384,888.56/8,901.39
  6. Step 6: Final answer
    x = 9,816.99

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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.