Home / 5,199.68-7,176.05-2,842.18

Finding the Fourth Proportional to 5,199.68, 7,176.05 and 2,842.18

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Solution

The fourth proportional to 5,199.68, 7,176.05 and 2,842.18 is: 3,922.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,199.68 : 7,176.05 = 2,842.18 : x
  2. Step 2: Convert to fraction form
    5,199.68/7,176.05 = 2,842.18/x
  3. Step 3: Cross multiply
    5,199.68x = 7,176.05 × 2,842.18
  4. Step 4: Simplify right side
    5,199.68x = 20,395,597.01
  5. Step 5: Solve for x
    x = 20,395,597.01/5,199.68
  6. Step 6: Final answer
    x = 3,922.47

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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.