Home / 5,209.95-7,189.67-2,852.06

Finding the Fourth Proportional to 5,209.95, 7,189.67 and 2,852.06

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Solution

The fourth proportional to 5,209.95, 7,189.67 and 2,852.06 is: 3,935.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,209.95 : 7,189.67 = 2,852.06 : x
  2. Step 2: Convert to fraction form
    5,209.95/7,189.67 = 2,852.06/x
  3. Step 3: Cross multiply
    5,209.95x = 7,189.67 × 2,852.06
  4. Step 4: Simplify right side
    5,209.95x = 20,505,370.22
  5. Step 5: Solve for x
    x = 20,505,370.22/5,209.95
  6. Step 6: Final answer
    x = 3,935.81

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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.