Home / 4,550.15-6,821.72-4,086.51

Finding the Fourth Proportional to 4,550.15, 6,821.72 and 4,086.51

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Solution

The fourth proportional to 4,550.15, 6,821.72 and 4,086.51 is: 6,126.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,550.15 : 6,821.72 = 4,086.51 : x
  2. Step 2: Convert to fraction form
    4,550.15/6,821.72 = 4,086.51/x
  3. Step 3: Cross multiply
    4,550.15x = 6,821.72 × 4,086.51
  4. Step 4: Simplify right side
    4,550.15x = 27,876,992.89
  5. Step 5: Solve for x
    x = 27,876,992.89/4,550.15
  6. Step 6: Final answer
    x = 6,126.62

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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.