Home / 4,818.20-6,650.22-3,136.67

Finding the Fourth Proportional to 4,818.20, 6,650.22 and 3,136.67

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Solution

The fourth proportional to 4,818.20, 6,650.22 and 3,136.67 is: 4,329.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,818.20 : 6,650.22 = 3,136.67 : x
  2. Step 2: Convert to fraction form
    4,818.20/6,650.22 = 3,136.67/x
  3. Step 3: Cross multiply
    4,818.20x = 6,650.22 × 3,136.67
  4. Step 4: Simplify right side
    4,818.20x = 20,859,568.78
  5. Step 5: Solve for x
    x = 20,859,568.78/4,818.20
  6. Step 6: Final answer
    x = 4,329.33

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.