Home / 4,136.50-6,204.78-1,214.85

Finding the Fourth Proportional to 4,136.50, 6,204.78 and 1,214.85

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Solution

The fourth proportional to 4,136.50, 6,204.78 and 1,214.85 is: 1,822.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,136.50 : 6,204.78 = 1,214.85 : x
  2. Step 2: Convert to fraction form
    4,136.50/6,204.78 = 1,214.85/x
  3. Step 3: Cross multiply
    4,136.50x = 6,204.78 × 1,214.85
  4. Step 4: Simplify right side
    4,136.50x = 7,537,876.98
  5. Step 5: Solve for x
    x = 7,537,876.98/4,136.50
  6. Step 6: Final answer
    x = 1,822.28

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Double scale
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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.