Home / 5,095.53-7,032.09-3,105.78

Finding the Fourth Proportional to 5,095.53, 7,032.09 and 3,105.78

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Solution

The fourth proportional to 5,095.53, 7,032.09 and 3,105.78 is: 4,286.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,095.53 : 7,032.09 = 3,105.78 : x
  2. Step 2: Convert to fraction form
    5,095.53/7,032.09 = 3,105.78/x
  3. Step 3: Cross multiply
    5,095.53x = 7,032.09 × 3,105.78
  4. Step 4: Simplify right side
    5,095.53x = 21,840,124.48
  5. Step 5: Solve for x
    x = 21,840,124.48/5,095.53
  6. Step 6: Final answer
    x = 4,286.13

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