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Finding the Fourth Proportional to 6,495.84, 8,965.08 and 3,979.17

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Solution

The fourth proportional to 6,495.84, 8,965.08 and 3,979.17 is: 5,491.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,495.84 : 8,965.08 = 3,979.17 : x
  2. Step 2: Convert to fraction form
    6,495.84/8,965.08 = 3,979.17/x
  3. Step 3: Cross multiply
    6,495.84x = 8,965.08 × 3,979.17
  4. Step 4: Simplify right side
    6,495.84x = 35,673,577.38
  5. Step 5: Solve for x
    x = 35,673,577.38/6,495.84
  6. Step 6: Final answer
    x = 5,491.76

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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.