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Finding the Fourth Proportional to 6,220.99, 9,336.15 and 2,936.40

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Solution

The fourth proportional to 6,220.99, 9,336.15 and 2,936.40 is: 4,406.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,220.99 : 9,336.15 = 2,936.40 : x
  2. Step 2: Convert to fraction form
    6,220.99/9,336.15 = 2,936.40/x
  3. Step 3: Cross multiply
    6,220.99x = 9,336.15 × 2,936.40
  4. Step 4: Simplify right side
    6,220.99x = 27,414,670.86
  5. Step 5: Solve for x
    x = 27,414,670.86/6,220.99
  6. Step 6: Final answer
    x = 4,406.80

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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.