Home / 6,269.91-8,645.39-3,998.22

Finding the Fourth Proportional to 6,269.91, 8,645.39 and 3,998.22

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Solution

The fourth proportional to 6,269.91, 8,645.39 and 3,998.22 is: 5,513.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,269.91 : 8,645.39 = 3,998.22 : x
  2. Step 2: Convert to fraction form
    6,269.91/8,645.39 = 3,998.22/x
  3. Step 3: Cross multiply
    6,269.91x = 8,645.39 × 3,998.22
  4. Step 4: Simplify right side
    6,269.91x = 34,566,151.21
  5. Step 5: Solve for x
    x = 34,566,151.21/6,269.91
  6. Step 6: Final answer
    x = 5,513.02

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Half scale
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Double scale
Find fourth proportional to 6,270.91, 8,646.76 and 3,999.22
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.