Home / 6,550.79-9,039.08-3,755.75

Finding the Fourth Proportional to 6,550.79, 9,039.08 and 3,755.75

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Solution

The fourth proportional to 6,550.79, 9,039.08 and 3,755.75 is: 5,182.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,550.79 : 9,039.08 = 3,755.75 : x
  2. Step 2: Convert to fraction form
    6,550.79/9,039.08 = 3,755.75/x
  3. Step 3: Cross multiply
    6,550.79x = 9,039.08 × 3,755.75
  4. Step 4: Simplify right side
    6,550.79x = 33,948,505.93
  5. Step 5: Solve for x
    x = 33,948,505.93/6,550.79
  6. Step 6: Final answer
    x = 5,182.35

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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.