Home / 5,199.09-7,174.67-2,841.20

Finding the Fourth Proportional to 5,199.09, 7,174.67 and 2,841.20

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Solution

The fourth proportional to 5,199.09, 7,174.67 and 2,841.20 is: 3,920.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,199.09 : 7,174.67 = 2,841.20 : x
  2. Step 2: Convert to fraction form
    5,199.09/7,174.67 = 2,841.20/x
  3. Step 3: Cross multiply
    5,199.09x = 7,174.67 × 2,841.20
  4. Step 4: Simplify right side
    5,199.09x = 20,384,672.40
  5. Step 5: Solve for x
    x = 20,384,672.40/5,199.09
  6. Step 6: Final answer
    x = 3,920.82

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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.