Home / 5,005.02-6,906.38-2,766.80

Finding the Fourth Proportional to 5,005.02, 6,906.38 and 2,766.80

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Solution

The fourth proportional to 5,005.02, 6,906.38 and 2,766.80 is: 3,817.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,005.02 : 6,906.38 = 2,766.80 : x
  2. Step 2: Convert to fraction form
    5,005.02/6,906.38 = 2,766.80/x
  3. Step 3: Cross multiply
    5,005.02x = 6,906.38 × 2,766.80
  4. Step 4: Simplify right side
    5,005.02x = 19,108,572.18
  5. Step 5: Solve for x
    x = 19,108,572.18/5,005.02
  6. Step 6: Final answer
    x = 3,817.88

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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.