Home / 7,581.13-11,361.19-5,730.73

Finding the Fourth Proportional to 7,581.13, 11,361.19 and 5,730.73

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Solution

The fourth proportional to 7,581.13, 11,361.19 and 5,730.73 is: 8,588.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,581.13 : 11,361.19 = 5,730.73 : x
  2. Step 2: Convert to fraction form
    7,581.13/11,361.19 = 5,730.73/x
  3. Step 3: Cross multiply
    7,581.13x = 11,361.19 × 5,730.73
  4. Step 4: Simplify right side
    7,581.13x = 65,107,912.37
  5. Step 5: Solve for x
    x = 65,107,912.37/7,581.13
  6. Step 6: Final answer
    x = 8,588.15

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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.