Home / 7,611.53-11,419.22-2,681.66

Finding the Fourth Proportional to 7,611.53, 11,419.22 and 2,681.66

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Solution

The fourth proportional to 7,611.53, 11,419.22 and 2,681.66 is: 4,023.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,611.53 : 11,419.22 = 2,681.66 : x
  2. Step 2: Convert to fraction form
    7,611.53/11,419.22 = 2,681.66/x
  3. Step 3: Cross multiply
    7,611.53x = 11,419.22 × 2,681.66
  4. Step 4: Simplify right side
    7,611.53x = 30,622,500.76
  5. Step 5: Solve for x
    x = 30,622,500.76/7,611.53
  6. Step 6: Final answer
    x = 4,023.18

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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.