Home / 5,199.05-7,172.65-3,206.15

Finding the Fourth Proportional to 5,199.05, 7,172.65 and 3,206.15

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Solution

The fourth proportional to 5,199.05, 7,172.65 and 3,206.15 is: 4,423.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,199.05 : 7,172.65 = 3,206.15 : x
  2. Step 2: Convert to fraction form
    5,199.05/7,172.65 = 3,206.15/x
  3. Step 3: Cross multiply
    5,199.05x = 7,172.65 × 3,206.15
  4. Step 4: Simplify right side
    5,199.05x = 22,996,565.85
  5. Step 5: Solve for x
    x = 22,996,565.85/5,199.05
  6. Step 6: Final answer
    x = 4,423.23

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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.