Home / 5,736.11-7,915.68-3,218.01

Finding the Fourth Proportional to 5,736.11, 7,915.68 and 3,218.01

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Solution

The fourth proportional to 5,736.11, 7,915.68 and 3,218.01 is: 4,440.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,736.11 : 7,915.68 = 3,218.01 : x
  2. Step 2: Convert to fraction form
    5,736.11/7,915.68 = 3,218.01/x
  3. Step 3: Cross multiply
    5,736.11x = 7,915.68 × 3,218.01
  4. Step 4: Simplify right side
    5,736.11x = 25,472,737.40
  5. Step 5: Solve for x
    x = 25,472,737.40/5,736.11
  6. Step 6: Final answer
    x = 4,440.77

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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.