Home / 4,680.80-6,457.17-2,791.05

Finding the Fourth Proportional to 4,680.80, 6,457.17 and 2,791.05

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Solution

The fourth proportional to 4,680.80, 6,457.17 and 2,791.05 is: 3,850.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,680.80 : 6,457.17 = 2,791.05 : x
  2. Step 2: Convert to fraction form
    4,680.80/6,457.17 = 2,791.05/x
  3. Step 3: Cross multiply
    4,680.80x = 6,457.17 × 2,791.05
  4. Step 4: Simplify right side
    4,680.80x = 18,022,284.33
  5. Step 5: Solve for x
    x = 18,022,284.33/4,680.80
  6. Step 6: Final answer
    x = 3,850.26

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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.