Home / 4,071.40-6,100.70-3,418.60

Finding the Fourth Proportional to 4,071.40, 6,100.70 and 3,418.60

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Solution

The fourth proportional to 4,071.40, 6,100.70 and 3,418.60 is: 5,122.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,071.40 : 6,100.70 = 3,418.60 : x
  2. Step 2: Convert to fraction form
    4,071.40/6,100.70 = 3,418.60/x
  3. Step 3: Cross multiply
    4,071.40x = 6,100.70 × 3,418.60
  4. Step 4: Simplify right side
    4,071.40x = 20,855,853.02
  5. Step 5: Solve for x
    x = 20,855,853.02/4,071.40
  6. Step 6: Final answer
    x = 5,122.53

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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.