Home / 6,611.18-9,912.35-3,407.56

Finding the Fourth Proportional to 6,611.18, 9,912.35 and 3,407.56

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Solution

The fourth proportional to 6,611.18, 9,912.35 and 3,407.56 is: 5,109.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,611.18 : 9,912.35 = 3,407.56 : x
  2. Step 2: Convert to fraction form
    6,611.18/9,912.35 = 3,407.56/x
  3. Step 3: Cross multiply
    6,611.18x = 9,912.35 × 3,407.56
  4. Step 4: Simplify right side
    6,611.18x = 33,776,911.10
  5. Step 5: Solve for x
    x = 33,776,911.10/6,611.18
  6. Step 6: Final answer
    x = 5,109.06

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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.