Home / 5,209.85-7,189.71-2,852.03

Finding the Fourth Proportional to 5,209.85, 7,189.71 and 2,852.03

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Solution

The fourth proportional to 5,209.85, 7,189.71 and 2,852.03 is: 3,935.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,209.85 : 7,189.71 = 2,852.03 : x
  2. Step 2: Convert to fraction form
    5,209.85/7,189.71 = 2,852.03/x
  3. Step 3: Cross multiply
    5,209.85x = 7,189.71 × 2,852.03
  4. Step 4: Simplify right side
    5,209.85x = 20,505,268.61
  5. Step 5: Solve for x
    x = 20,505,268.61/5,209.85
  6. Step 6: Final answer
    x = 3,935.87

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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.