Home / 7,706.22-11,554.47-3,321.42

Finding the Fourth Proportional to 7,706.22, 11,554.47 and 3,321.42

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Solution

The fourth proportional to 7,706.22, 11,554.47 and 3,321.42 is: 4,980.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,706.22 : 11,554.47 = 3,321.42 : x
  2. Step 2: Convert to fraction form
    7,706.22/11,554.47 = 3,321.42/x
  3. Step 3: Cross multiply
    7,706.22x = 11,554.47 × 3,321.42
  4. Step 4: Simplify right side
    7,706.22x = 38,377,247.75
  5. Step 5: Solve for x
    x = 38,377,247.75/7,706.22
  6. Step 6: Final answer
    x = 4,980.04

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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.