Home / 5,199.46-7,173.20-3,206.54

Finding the Fourth Proportional to 5,199.46, 7,173.20 and 3,206.54

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Solution

The fourth proportional to 5,199.46, 7,173.20 and 3,206.54 is: 4,423.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,199.46 : 7,173.20 = 3,206.54 : x
  2. Step 2: Convert to fraction form
    5,199.46/7,173.20 = 3,206.54/x
  3. Step 3: Cross multiply
    5,199.46x = 7,173.20 × 3,206.54
  4. Step 4: Simplify right side
    5,199.46x = 23,001,178.68
  5. Step 5: Solve for x
    x = 23,001,178.68/5,199.46
  6. Step 6: Final answer
    x = 4,423.77

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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.