Home / 7,746.72-11,611.44-3,357.60

Finding the Fourth Proportional to 7,746.72, 11,611.44 and 3,357.60

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Solution

The fourth proportional to 7,746.72, 11,611.44 and 3,357.60 is: 5,032.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,746.72 : 11,611.44 = 3,357.60 : x
  2. Step 2: Convert to fraction form
    7,746.72/11,611.44 = 3,357.60/x
  3. Step 3: Cross multiply
    7,746.72x = 11,611.44 × 3,357.60
  4. Step 4: Simplify right side
    7,746.72x = 38,986,570.94
  5. Step 5: Solve for x
    x = 38,986,570.94/7,746.72
  6. Step 6: Final answer
    x = 5,032.66

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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.