Home / 6,917.22-9,545.80-3,933.22

Finding the Fourth Proportional to 6,917.22, 9,545.80 and 3,933.22

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Solution

The fourth proportional to 6,917.22, 9,545.80 and 3,933.22 is: 5,427.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,917.22 : 9,545.80 = 3,933.22 : x
  2. Step 2: Convert to fraction form
    6,917.22/9,545.80 = 3,933.22/x
  3. Step 3: Cross multiply
    6,917.22x = 9,545.80 × 3,933.22
  4. Step 4: Simplify right side
    6,917.22x = 37,545,736.48
  5. Step 5: Solve for x
    x = 37,545,736.48/6,917.22
  6. Step 6: Final answer
    x = 5,427.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.