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Finding the Fourth Proportional to 6,601.86, 9,899.01 and 2,216.93

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Solution

The fourth proportional to 6,601.86, 9,899.01 and 2,216.93 is: 3,324.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,601.86 : 9,899.01 = 2,216.93 : x
  2. Step 2: Convert to fraction form
    6,601.86/9,899.01 = 2,216.93/x
  3. Step 3: Cross multiply
    6,601.86x = 9,899.01 × 2,216.93
  4. Step 4: Simplify right side
    6,601.86x = 21,945,412.24
  5. Step 5: Solve for x
    x = 21,945,412.24/6,601.86
  6. Step 6: Final answer
    x = 3,324.13

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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.