Home / 6,560.91-9,843.03-2,178.39

Finding the Fourth Proportional to 6,560.91, 9,843.03 and 2,178.39

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Solution

The fourth proportional to 6,560.91, 9,843.03 and 2,178.39 is: 3,268.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,560.91 : 9,843.03 = 2,178.39 : x
  2. Step 2: Convert to fraction form
    6,560.91/9,843.03 = 2,178.39/x
  3. Step 3: Cross multiply
    6,560.91x = 9,843.03 × 2,178.39
  4. Step 4: Simplify right side
    6,560.91x = 21,441,958.12
  5. Step 5: Solve for x
    x = 21,441,958.12/6,560.91
  6. Step 6: Final answer
    x = 3,268.14

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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.