Home / 5,200.81-7,177.61-2,843.30

Finding the Fourth Proportional to 5,200.81, 7,177.61 and 2,843.30

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Solution

The fourth proportional to 5,200.81, 7,177.61 and 2,843.30 is: 3,924.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,200.81 : 7,177.61 = 2,843.30 : x
  2. Step 2: Convert to fraction form
    5,200.81/7,177.61 = 2,843.30/x
  3. Step 3: Cross multiply
    5,200.81x = 7,177.61 × 2,843.30
  4. Step 4: Simplify right side
    5,200.81x = 20,408,098.51
  5. Step 5: Solve for x
    x = 20,408,098.51/5,200.81
  6. Step 6: Final answer
    x = 3,924.02

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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.