Home / 7,352.13-10,145.65-3,994.88

Finding the Fourth Proportional to 7,352.13, 10,145.65 and 3,994.88

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Solution

The fourth proportional to 7,352.13, 10,145.65 and 3,994.88 is: 5,512.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,352.13 : 10,145.65 = 3,994.88 : x
  2. Step 2: Convert to fraction form
    7,352.13/10,145.65 = 3,994.88/x
  3. Step 3: Cross multiply
    7,352.13x = 10,145.65 × 3,994.88
  4. Step 4: Simplify right side
    7,352.13x = 40,530,654.27
  5. Step 5: Solve for x
    x = 40,530,654.27/7,352.13
  6. Step 6: Final answer
    x = 5,512.78

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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.