Home / 4,436-6,122.49-3,111.74

Finding the Fourth Proportional to 4,436, 6,122.49 and 3,111.74

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Solution

The fourth proportional to 4,436, 6,122.49 and 3,111.74 is: 4,294.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,436 : 6,122.49 = 3,111.74 : x
  2. Step 2: Convert to fraction form
    4,436/6,122.49 = 3,111.74/x
  3. Step 3: Cross multiply
    4,436x = 6,122.49 × 3,111.74
  4. Step 4: Simplify right side
    4,436x = 19,051,597.03
  5. Step 5: Solve for x
    x = 19,051,597.03/4,436
  6. Step 6: Final answer
    x = 4,294.77

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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.