Home / 6,917.60-10,369.11-3,447.56

Finding the Fourth Proportional to 6,917.60, 10,369.11 and 3,447.56

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Solution

The fourth proportional to 6,917.60, 10,369.11 and 3,447.56 is: 5,167.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,917.60 : 10,369.11 = 3,447.56 : x
  2. Step 2: Convert to fraction form
    6,917.60/10,369.11 = 3,447.56/x
  3. Step 3: Cross multiply
    6,917.60x = 10,369.11 × 3,447.56
  4. Step 4: Simplify right side
    6,917.60x = 35,748,167.72
  5. Step 5: Solve for x
    x = 35,748,167.72/6,917.60
  6. Step 6: Final answer
    x = 5,167.71

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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.