Home / 7,180.65-9,910.07-4,197.49

Finding the Fourth Proportional to 7,180.65, 9,910.07 and 4,197.49

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Solution

The fourth proportional to 7,180.65, 9,910.07 and 4,197.49 is: 5,792.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,180.65 : 9,910.07 = 4,197.49 : x
  2. Step 2: Convert to fraction form
    7,180.65/9,910.07 = 4,197.49/x
  3. Step 3: Cross multiply
    7,180.65x = 9,910.07 × 4,197.49
  4. Step 4: Simplify right side
    7,180.65x = 41,597,419.72
  5. Step 5: Solve for x
    x = 41,597,419.72/7,180.65
  6. Step 6: Final answer
    x = 5,792.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.