Home / 8,299.66-11,451.09-4,940.79

Finding the Fourth Proportional to 8,299.66, 11,451.09 and 4,940.79

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Solution

The fourth proportional to 8,299.66, 11,451.09 and 4,940.79 is: 6,816.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,299.66 : 11,451.09 = 4,940.79 : x
  2. Step 2: Convert to fraction form
    8,299.66/11,451.09 = 4,940.79/x
  3. Step 3: Cross multiply
    8,299.66x = 11,451.09 × 4,940.79
  4. Step 4: Simplify right side
    8,299.66x = 56,577,430.96
  5. Step 5: Solve for x
    x = 56,577,430.96/8,299.66
  6. Step 6: Final answer
    x = 6,816.84

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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.