Home / 4,920.48-6,791.04-2,825.28

Finding the Fourth Proportional to 4,920.48, 6,791.04 and 2,825.28

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Solution

The fourth proportional to 4,920.48, 6,791.04 and 2,825.28 is: 3,899.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,920.48 : 6,791.04 = 2,825.28 : x
  2. Step 2: Convert to fraction form
    4,920.48/6,791.04 = 2,825.28/x
  3. Step 3: Cross multiply
    4,920.48x = 6,791.04 × 2,825.28
  4. Step 4: Simplify right side
    4,920.48x = 19,186,589.49
  5. Step 5: Solve for x
    x = 19,186,589.49/4,920.48
  6. Step 6: Final answer
    x = 3,899.33

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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.