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Finding the Fourth Proportional to 8,550.38, 11,798.10 and 5,713.19

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Solution

The fourth proportional to 8,550.38, 11,798.10 and 5,713.19 is: 7,883.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,550.38 : 11,798.10 = 5,713.19 : x
  2. Step 2: Convert to fraction form
    8,550.38/11,798.10 = 5,713.19/x
  3. Step 3: Cross multiply
    8,550.38x = 11,798.10 × 5,713.19
  4. Step 4: Simplify right side
    8,550.38x = 67,404,727.95
  5. Step 5: Solve for x
    x = 67,404,727.95/8,550.38
  6. Step 6: Final answer
    x = 7,883.25

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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.