Home / 4,853.71-6,696.21-2,728.76

Finding the Fourth Proportional to 4,853.71, 6,696.21 and 2,728.76

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Solution

The fourth proportional to 4,853.71, 6,696.21 and 2,728.76 is: 3,764.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,853.71 : 6,696.21 = 2,728.76 : x
  2. Step 2: Convert to fraction form
    4,853.71/6,696.21 = 2,728.76/x
  3. Step 3: Cross multiply
    4,853.71x = 6,696.21 × 2,728.76
  4. Step 4: Simplify right side
    4,853.71x = 18,272,316.52
  5. Step 5: Solve for x
    x = 18,272,316.52/4,853.71
  6. Step 6: Final answer
    x = 3,764.61

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Half scale
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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.