Home / 4,845.72-6,687.18-2,749.62

Finding the Fourth Proportional to 4,845.72, 6,687.18 and 2,749.62

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Solution

The fourth proportional to 4,845.72, 6,687.18 and 2,749.62 is: 3,794.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,845.72 : 6,687.18 = 2,749.62 : x
  2. Step 2: Convert to fraction form
    4,845.72/6,687.18 = 2,749.62/x
  3. Step 3: Cross multiply
    4,845.72x = 6,687.18 × 2,749.62
  4. Step 4: Simplify right side
    4,845.72x = 18,387,203.87
  5. Step 5: Solve for x
    x = 18,387,203.87/4,845.72
  6. Step 6: Final answer
    x = 3,794.52

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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.