Home / 7,592.80-11,390.56-3,640.70

Finding the Fourth Proportional to 7,592.80, 11,390.56 and 3,640.70

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Solution

The fourth proportional to 7,592.80, 11,390.56 and 3,640.70 is: 5,461.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,592.80 : 11,390.56 = 3,640.70 : x
  2. Step 2: Convert to fraction form
    7,592.80/11,390.56 = 3,640.70/x
  3. Step 3: Cross multiply
    7,592.80x = 11,390.56 × 3,640.70
  4. Step 4: Simplify right side
    7,592.80x = 41,469,611.79
  5. Step 5: Solve for x
    x = 41,469,611.79/7,592.80
  6. Step 6: Final answer
    x = 5,461.70

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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.