Home / 9,210.12-13,816.20-3,288.39

Finding the Fourth Proportional to 9,210.12, 13,816.20 and 3,288.39

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Solution

The fourth proportional to 9,210.12, 13,816.20 and 3,288.39 is: 4,932.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,210.12 : 13,816.20 = 3,288.39 : x
  2. Step 2: Convert to fraction form
    9,210.12/13,816.20 = 3,288.39/x
  3. Step 3: Cross multiply
    9,210.12x = 13,816.20 × 3,288.39
  4. Step 4: Simplify right side
    9,210.12x = 45,433,053.92
  5. Step 5: Solve for x
    x = 45,433,053.92/9,210.12
  6. Step 6: Final answer
    x = 4,932.95

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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.