Home / 4,136.25-6,204.37-2,909.15

Finding the Fourth Proportional to 4,136.25, 6,204.37 and 2,909.15

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Solution

The fourth proportional to 4,136.25, 6,204.37 and 2,909.15 is: 4,363.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,136.25 : 6,204.37 = 2,909.15 : x
  2. Step 2: Convert to fraction form
    4,136.25/6,204.37 = 2,909.15/x
  3. Step 3: Cross multiply
    4,136.25x = 6,204.37 × 2,909.15
  4. Step 4: Simplify right side
    4,136.25x = 18,049,441.59
  5. Step 5: Solve for x
    x = 18,049,441.59/4,136.25
  6. Step 6: Final answer
    x = 4,363.72

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Half scale
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Double scale
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Similar ratio
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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.