Home / 6,965.28-10,447.79-1,771.16

Finding the Fourth Proportional to 6,965.28, 10,447.79 and 1,771.16

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Solution

The fourth proportional to 6,965.28, 10,447.79 and 1,771.16 is: 2,656.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,965.28 : 10,447.79 = 1,771.16 : x
  2. Step 2: Convert to fraction form
    6,965.28/10,447.79 = 1,771.16/x
  3. Step 3: Cross multiply
    6,965.28x = 10,447.79 × 1,771.16
  4. Step 4: Simplify right side
    6,965.28x = 18,504,646.64
  5. Step 5: Solve for x
    x = 18,504,646.64/6,965.28
  6. Step 6: Final answer
    x = 2,656.70

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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.