Home / 8,136.38-11,228.20-4,410.38

Finding the Fourth Proportional to 8,136.38, 11,228.20 and 4,410.38

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Solution

The fourth proportional to 8,136.38, 11,228.20 and 4,410.38 is: 6,086.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,136.38 : 11,228.20 = 4,410.38 : x
  2. Step 2: Convert to fraction form
    8,136.38/11,228.20 = 4,410.38/x
  3. Step 3: Cross multiply
    8,136.38x = 11,228.20 × 4,410.38
  4. Step 4: Simplify right side
    8,136.38x = 49,520,628.72
  5. Step 5: Solve for x
    x = 49,520,628.72/8,136.38
  6. Step 6: Final answer
    x = 6,086.32

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Half scale
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Double scale
Find fourth proportional to 8,137.38, 11,229.58 and 4,411.38
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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.