Home / 7,351.44-10,145.04-3,994.20

Finding the Fourth Proportional to 7,351.44, 10,145.04 and 3,994.20

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Solution

The fourth proportional to 7,351.44, 10,145.04 and 3,994.20 is: 5,512.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,351.44 : 10,145.04 = 3,994.20 : x
  2. Step 2: Convert to fraction form
    7,351.44/10,145.04 = 3,994.20/x
  3. Step 3: Cross multiply
    7,351.44x = 10,145.04 × 3,994.20
  4. Step 4: Simplify right side
    7,351.44x = 40,521,318.77
  5. Step 5: Solve for x
    x = 40,521,318.77/7,351.44
  6. Step 6: Final answer
    x = 5,512.02

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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.