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Finding the Fourth Proportional to 6,936.54, 10,350.08 and 6,279.90

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Solution

The fourth proportional to 6,936.54, 10,350.08 and 6,279.90 is: 9,370.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,936.54 : 10,350.08 = 6,279.90 : x
  2. Step 2: Convert to fraction form
    6,936.54/10,350.08 = 6,279.90/x
  3. Step 3: Cross multiply
    6,936.54x = 10,350.08 × 6,279.90
  4. Step 4: Simplify right side
    6,936.54x = 64,997,435.99
  5. Step 5: Solve for x
    x = 64,997,435.99/6,936.54
  6. Step 6: Final answer
    x = 9,370.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.