Home / 4,136.28-6,204.78-1,540.20

Finding the Fourth Proportional to 4,136.28, 6,204.78 and 1,540.20

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Solution

The fourth proportional to 4,136.28, 6,204.78 and 1,540.20 is: 2,310.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,136.28 : 6,204.78 = 1,540.20 : x
  2. Step 2: Convert to fraction form
    4,136.28/6,204.78 = 1,540.20/x
  3. Step 3: Cross multiply
    4,136.28x = 6,204.78 × 1,540.20
  4. Step 4: Simplify right side
    4,136.28x = 9,556,602.16
  5. Step 5: Solve for x
    x = 9,556,602.16/4,136.28
  6. Step 6: Final answer
    x = 2,310.43

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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.