Home / 5,285.49-7,954.77-3,976.04

Finding the Fourth Proportional to 5,285.49, 7,954.77 and 3,976.04

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Solution

The fourth proportional to 5,285.49, 7,954.77 and 3,976.04 is: 5,984.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,285.49 : 7,954.77 = 3,976.04 : x
  2. Step 2: Convert to fraction form
    5,285.49/7,954.77 = 3,976.04/x
  3. Step 3: Cross multiply
    5,285.49x = 7,954.77 × 3,976.04
  4. Step 4: Simplify right side
    5,285.49x = 31,628,443.94
  5. Step 5: Solve for x
    x = 31,628,443.94/5,285.49
  6. Step 6: Final answer
    x = 5,984.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.