Home / 6,186.25-8,538.39-4,839.19

Finding the Fourth Proportional to 6,186.25, 8,538.39 and 4,839.19

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Solution

The fourth proportional to 6,186.25, 8,538.39 and 4,839.19 is: 6,679.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,186.25 : 8,538.39 = 4,839.19 : x
  2. Step 2: Convert to fraction form
    6,186.25/8,538.39 = 4,839.19/x
  3. Step 3: Cross multiply
    6,186.25x = 8,538.39 × 4,839.19
  4. Step 4: Simplify right side
    6,186.25x = 41,318,891.50
  5. Step 5: Solve for x
    x = 41,318,891.50/6,186.25
  6. Step 6: Final answer
    x = 6,679.15

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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.