Home / 7,561.14-11,331.84-3,860.24

Finding the Fourth Proportional to 7,561.14, 11,331.84 and 3,860.24

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Solution

The fourth proportional to 7,561.14, 11,331.84 and 3,860.24 is: 5,785.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,561.14 : 11,331.84 = 3,860.24 : x
  2. Step 2: Convert to fraction form
    7,561.14/11,331.84 = 3,860.24/x
  3. Step 3: Cross multiply
    7,561.14x = 11,331.84 × 3,860.24
  4. Step 4: Simplify right side
    7,561.14x = 43,743,622.04
  5. Step 5: Solve for x
    x = 43,743,622.04/7,561.14
  6. Step 6: Final answer
    x = 5,785.32

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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.