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Finding the Fourth Proportional to 6,963.39, 9,608.01 and 3,980.19

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Solution

The fourth proportional to 6,963.39, 9,608.01 and 3,980.19 is: 5,491.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,963.39 : 9,608.01 = 3,980.19 : x
  2. Step 2: Convert to fraction form
    6,963.39/9,608.01 = 3,980.19/x
  3. Step 3: Cross multiply
    6,963.39x = 9,608.01 × 3,980.19
  4. Step 4: Simplify right side
    6,963.39x = 38,241,705.32
  5. Step 5: Solve for x
    x = 38,241,705.32/6,963.39
  6. Step 6: Final answer
    x = 5,491.82

Related Problems

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Half scale
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Double scale
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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.