Home / 8,103.69-11,183.09-4,377.69

Finding the Fourth Proportional to 8,103.69, 11,183.09 and 4,377.69

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Solution

The fourth proportional to 8,103.69, 11,183.09 and 4,377.69 is: 6,041.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,103.69 : 11,183.09 = 4,377.69 : x
  2. Step 2: Convert to fraction form
    8,103.69/11,183.09 = 4,377.69/x
  3. Step 3: Cross multiply
    8,103.69x = 11,183.09 × 4,377.69
  4. Step 4: Simplify right side
    8,103.69x = 48,956,101.26
  5. Step 5: Solve for x
    x = 48,956,101.26/8,103.69
  6. Step 6: Final answer
    x = 6,041.21

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Half scale
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Double scale
Find fourth proportional to 8,104.69, 11,184.47 and 4,378.69
Similar ratio
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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.