Home / 4,087.30-6,121.20-3,436.06

Finding the Fourth Proportional to 4,087.30, 6,121.20 and 3,436.06

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Solution

The fourth proportional to 4,087.30, 6,121.20 and 3,436.06 is: 5,145.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,087.30 : 6,121.20 = 3,436.06 : x
  2. Step 2: Convert to fraction form
    4,087.30/6,121.20 = 3,436.06/x
  3. Step 3: Cross multiply
    4,087.30x = 6,121.20 × 3,436.06
  4. Step 4: Simplify right side
    4,087.30x = 21,032,810.47
  5. Step 5: Solve for x
    x = 21,032,810.47/4,087.30
  6. Step 6: Final answer
    x = 5,145.89

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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.