Home / 5,043.54-6,960.15-2,805.61

Finding the Fourth Proportional to 5,043.54, 6,960.15 and 2,805.61

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Solution

The fourth proportional to 5,043.54, 6,960.15 and 2,805.61 is: 3,871.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,043.54 : 6,960.15 = 2,805.61 : x
  2. Step 2: Convert to fraction form
    5,043.54/6,960.15 = 2,805.61/x
  3. Step 3: Cross multiply
    5,043.54x = 6,960.15 × 2,805.61
  4. Step 4: Simplify right side
    5,043.54x = 19,527,466.44
  5. Step 5: Solve for x
    x = 19,527,466.44/5,043.54
  6. Step 6: Final answer
    x = 3,871.78

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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.