Home / 7,574.20-11,350.92-3,868.64

Finding the Fourth Proportional to 7,574.20, 11,350.92 and 3,868.64

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Solution

The fourth proportional to 7,574.20, 11,350.92 and 3,868.64 is: 5,797.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,574.20 : 11,350.92 = 3,868.64 : x
  2. Step 2: Convert to fraction form
    7,574.20/11,350.92 = 3,868.64/x
  3. Step 3: Cross multiply
    7,574.20x = 11,350.92 × 3,868.64
  4. Step 4: Simplify right side
    7,574.20x = 43,912,623.15
  5. Step 5: Solve for x
    x = 43,912,623.15/7,574.20
  6. Step 6: Final answer
    x = 5,797.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.