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Finding the Fourth Proportional to 6,329.99, 9,494.15 and 1,947.08

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Solution

The fourth proportional to 6,329.99, 9,494.15 and 1,947.08 is: 2,920.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,329.99 : 9,494.15 = 1,947.08 : x
  2. Step 2: Convert to fraction form
    6,329.99/9,494.15 = 1,947.08/x
  3. Step 3: Cross multiply
    6,329.99x = 9,494.15 × 1,947.08
  4. Step 4: Simplify right side
    6,329.99x = 18,485,812.38
  5. Step 5: Solve for x
    x = 18,485,812.38/6,329.99
  6. Step 6: Final answer
    x = 2,920.36

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.