Home / 5,280.97-7,287.45-2,922.97

Finding the Fourth Proportional to 5,280.97, 7,287.45 and 2,922.97

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Solution

The fourth proportional to 5,280.97, 7,287.45 and 2,922.97 is: 4,033.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,280.97 : 7,287.45 = 2,922.97 : x
  2. Step 2: Convert to fraction form
    5,280.97/7,287.45 = 2,922.97/x
  3. Step 3: Cross multiply
    5,280.97x = 7,287.45 × 2,922.97
  4. Step 4: Simplify right side
    5,280.97x = 21,300,997.73
  5. Step 5: Solve for x
    x = 21,300,997.73/5,280.97
  6. Step 6: Final answer
    x = 4,033.54

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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.