Home / 4,136.72-6,203.40-2,685.20

Finding the Fourth Proportional to 4,136.72, 6,203.40 and 2,685.20

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Solution

The fourth proportional to 4,136.72, 6,203.40 and 2,685.20 is: 4,026.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,136.72 : 6,203.40 = 2,685.20 : x
  2. Step 2: Convert to fraction form
    4,136.72/6,203.40 = 2,685.20/x
  3. Step 3: Cross multiply
    4,136.72x = 6,203.40 × 2,685.20
  4. Step 4: Simplify right side
    4,136.72x = 16,657,369.68
  5. Step 5: Solve for x
    x = 16,657,369.68/4,136.72
  6. Step 6: Final answer
    x = 4,026.71

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1.5x scale

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.