Home / 7,542.21-11,314.83-2,611.74

Finding the Fourth Proportional to 7,542.21, 11,314.83 and 2,611.74

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Solution

The fourth proportional to 7,542.21, 11,314.83 and 2,611.74 is: 3,918.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,542.21 : 11,314.83 = 2,611.74 : x
  2. Step 2: Convert to fraction form
    7,542.21/11,314.83 = 2,611.74/x
  3. Step 3: Cross multiply
    7,542.21x = 11,314.83 × 2,611.74
  4. Step 4: Simplify right side
    7,542.21x = 29,551,365.82
  5. Step 5: Solve for x
    x = 29,551,365.82/7,542.21
  6. Step 6: Final answer
    x = 3,918.13

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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.