Home / 4,840.21-6,679.38-2,850.85

Finding the Fourth Proportional to 4,840.21, 6,679.38 and 2,850.85

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Solution

The fourth proportional to 4,840.21, 6,679.38 and 2,850.85 is: 3,934.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,840.21 : 6,679.38 = 2,850.85 : x
  2. Step 2: Convert to fraction form
    4,840.21/6,679.38 = 2,850.85/x
  3. Step 3: Cross multiply
    4,840.21x = 6,679.38 × 2,850.85
  4. Step 4: Simplify right side
    4,840.21x = 19,041,910.47
  5. Step 5: Solve for x
    x = 19,041,910.47/4,840.21
  6. Step 6: Final answer
    x = 3,934.11

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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.