Home / 7,745.56-11,611.81-3,359.72

Finding the Fourth Proportional to 7,745.56, 11,611.81 and 3,359.72

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Solution

The fourth proportional to 7,745.56, 11,611.81 and 3,359.72 is: 5,036.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,745.56 : 11,611.81 = 3,359.72 : x
  2. Step 2: Convert to fraction form
    7,745.56/11,611.81 = 3,359.72/x
  3. Step 3: Cross multiply
    7,745.56x = 11,611.81 × 3,359.72
  4. Step 4: Simplify right side
    7,745.56x = 39,012,372.23
  5. Step 5: Solve for x
    x = 39,012,372.23/7,745.56
  6. Step 6: Final answer
    x = 5,036.74

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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.