Home / 6,270.46-9,405.99-5,172.79

Finding the Fourth Proportional to 6,270.46, 9,405.99 and 5,172.79

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Solution

The fourth proportional to 6,270.46, 9,405.99 and 5,172.79 is: 7,759.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,270.46 : 9,405.99 = 5,172.79 : x
  2. Step 2: Convert to fraction form
    6,270.46/9,405.99 = 5,172.79/x
  3. Step 3: Cross multiply
    6,270.46x = 9,405.99 × 5,172.79
  4. Step 4: Simplify right side
    6,270.46x = 48,655,211.01
  5. Step 5: Solve for x
    x = 48,655,211.01/6,270.46
  6. Step 6: Final answer
    x = 7,759.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.