Home / 5,351.97-7,385.67-2,994.12

Finding the Fourth Proportional to 5,351.97, 7,385.67 and 2,994.12

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Solution

The fourth proportional to 5,351.97, 7,385.67 and 2,994.12 is: 4,131.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,351.97 : 7,385.67 = 2,994.12 : x
  2. Step 2: Convert to fraction form
    5,351.97/7,385.67 = 2,994.12/x
  3. Step 3: Cross multiply
    5,351.97x = 7,385.67 × 2,994.12
  4. Step 4: Simplify right side
    5,351.97x = 22,113,582.26
  5. Step 5: Solve for x
    x = 22,113,582.26/5,351.97
  6. Step 6: Final answer
    x = 4,131.86

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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.