Home / 5,369.53-8,045.40-3,801.79

Finding the Fourth Proportional to 5,369.53, 8,045.40 and 3,801.79

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Solution

The fourth proportional to 5,369.53, 8,045.40 and 3,801.79 is: 5,696.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,369.53 : 8,045.40 = 3,801.79 : x
  2. Step 2: Convert to fraction form
    5,369.53/8,045.40 = 3,801.79/x
  3. Step 3: Cross multiply
    5,369.53x = 8,045.40 × 3,801.79
  4. Step 4: Simplify right side
    5,369.53x = 30,586,921.27
  5. Step 5: Solve for x
    x = 30,586,921.27/5,369.53
  6. Step 6: Final answer
    x = 5,696.39

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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.