Home / 4,610.80-6,886.98-3,311.60

Finding the Fourth Proportional to 4,610.80, 6,886.98 and 3,311.60

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Solution

The fourth proportional to 4,610.80, 6,886.98 and 3,311.60 is: 4,946.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,610.80 : 6,886.98 = 3,311.60 : x
  2. Step 2: Convert to fraction form
    4,610.80/6,886.98 = 3,311.60/x
  3. Step 3: Cross multiply
    4,610.80x = 6,886.98 × 3,311.60
  4. Step 4: Simplify right side
    4,610.80x = 22,806,922.97
  5. Step 5: Solve for x
    x = 22,806,922.97/4,610.80
  6. Step 6: Final answer
    x = 4,946.41

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.