Home / 4,220.82-5,816.61-2,976.66

Finding the Fourth Proportional to 4,220.82, 5,816.61 and 2,976.66

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Solution

The fourth proportional to 4,220.82, 5,816.61 and 2,976.66 is: 4,102.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,220.82 : 5,816.61 = 2,976.66 : x
  2. Step 2: Convert to fraction form
    4,220.82/5,816.61 = 2,976.66/x
  3. Step 3: Cross multiply
    4,220.82x = 5,816.61 × 2,976.66
  4. Step 4: Simplify right side
    4,220.82x = 17,314,070.32
  5. Step 5: Solve for x
    x = 17,314,070.32/4,220.82
  6. Step 6: Final answer
    x = 4,102.06

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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.