Home / 4,385.82-6,048.99-2,891.34

Finding the Fourth Proportional to 4,385.82, 6,048.99 and 2,891.34

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Solution

The fourth proportional to 4,385.82, 6,048.99 and 2,891.34 is: 3,987.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,385.82 : 6,048.99 = 2,891.34 : x
  2. Step 2: Convert to fraction form
    4,385.82/6,048.99 = 2,891.34/x
  3. Step 3: Cross multiply
    4,385.82x = 6,048.99 × 2,891.34
  4. Step 4: Simplify right side
    4,385.82x = 17,489,686.75
  5. Step 5: Solve for x
    x = 17,489,686.75/4,385.82
  6. Step 6: Final answer
    x = 3,987.78

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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.