Home / 5,199.50-7,175.47-2,841.80

Finding the Fourth Proportional to 5,199.50, 7,175.47 and 2,841.80

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Solution

The fourth proportional to 5,199.50, 7,175.47 and 2,841.80 is: 3,921.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,199.50 : 7,175.47 = 2,841.80 : x
  2. Step 2: Convert to fraction form
    5,199.50/7,175.47 = 2,841.80/x
  3. Step 3: Cross multiply
    5,199.50x = 7,175.47 × 2,841.80
  4. Step 4: Simplify right side
    5,199.50x = 20,391,250.65
  5. Step 5: Solve for x
    x = 20,391,250.65/5,199.50
  6. Step 6: Final answer
    x = 3,921.77

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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.