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Finding the Fourth Proportional to 6,550.78, 9,827.74 and 2,854.07

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Solution

The fourth proportional to 6,550.78, 9,827.74 and 2,854.07 is: 4,281.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,550.78 : 9,827.74 = 2,854.07 : x
  2. Step 2: Convert to fraction form
    6,550.78/9,827.74 = 2,854.07/x
  3. Step 3: Cross multiply
    6,550.78x = 9,827.74 × 2,854.07
  4. Step 4: Simplify right side
    6,550.78x = 28,049,057.90
  5. Step 5: Solve for x
    x = 28,049,057.90/6,550.78
  6. Step 6: Final answer
    x = 4,281.79

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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.