Home / 6,917.36-9,545.94-3,933.18

Finding the Fourth Proportional to 6,917.36, 9,545.94 and 3,933.18

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Solution

The fourth proportional to 6,917.36, 9,545.94 and 3,933.18 is: 5,427.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,917.36 : 9,545.94 = 3,933.18 : x
  2. Step 2: Convert to fraction form
    6,917.36/9,545.94 = 3,933.18/x
  3. Step 3: Cross multiply
    6,917.36x = 9,545.94 × 3,933.18
  4. Step 4: Simplify right side
    6,917.36x = 37,545,900.29
  5. Step 5: Solve for x
    x = 37,545,900.29/6,917.36
  6. Step 6: Final answer
    x = 5,427.78

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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.