Home / 5,209.46-7,186.56-3,219.29

Finding the Fourth Proportional to 5,209.46, 7,186.56 and 3,219.29

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Solution

The fourth proportional to 5,209.46, 7,186.56 and 3,219.29 is: 4,441.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,209.46 : 7,186.56 = 3,219.29 : x
  2. Step 2: Convert to fraction form
    5,209.46/7,186.56 = 3,219.29/x
  3. Step 3: Cross multiply
    5,209.46x = 7,186.56 × 3,219.29
  4. Step 4: Simplify right side
    5,209.46x = 23,135,620.74
  5. Step 5: Solve for x
    x = 23,135,620.74/5,209.46
  6. Step 6: Final answer
    x = 4,441.08

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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.