Home / 6,198.77-8,551.82-3,960.06

Finding the Fourth Proportional to 6,198.77, 8,551.82 and 3,960.06

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Solution

The fourth proportional to 6,198.77, 8,551.82 and 3,960.06 is: 5,463.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,198.77 : 8,551.82 = 3,960.06 : x
  2. Step 2: Convert to fraction form
    6,198.77/8,551.82 = 3,960.06/x
  3. Step 3: Cross multiply
    6,198.77x = 8,551.82 × 3,960.06
  4. Step 4: Simplify right side
    6,198.77x = 33,865,730.21
  5. Step 5: Solve for x
    x = 33,865,730.21/6,198.77
  6. Step 6: Final answer
    x = 5,463.30

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Find fourth proportional to 3,099.38, 4,275.91 and 1,980.03
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.