Home / 4,680.80-6,456.48-2,816

Finding the Fourth Proportional to 4,680.80, 6,456.48 and 2,816

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Solution

The fourth proportional to 4,680.80, 6,456.48 and 2,816 is: 3,884.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,680.80 : 6,456.48 = 2,816 : x
  2. Step 2: Convert to fraction form
    4,680.80/6,456.48 = 2,816/x
  3. Step 3: Cross multiply
    4,680.80x = 6,456.48 × 2,816
  4. Step 4: Simplify right side
    4,680.80x = 18,181,447.68
  5. Step 5: Solve for x
    x = 18,181,447.68/4,680.80
  6. Step 6: Final answer
    x = 3,884.26

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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.