Home / 9,270.52-13,911.24-3,431.20

Finding the Fourth Proportional to 9,270.52, 13,911.24 and 3,431.20

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Solution

The fourth proportional to 9,270.52, 13,911.24 and 3,431.20 is: 5,148.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,270.52 : 13,911.24 = 3,431.20 : x
  2. Step 2: Convert to fraction form
    9,270.52/13,911.24 = 3,431.20/x
  3. Step 3: Cross multiply
    9,270.52x = 13,911.24 × 3,431.20
  4. Step 4: Simplify right side
    9,270.52x = 47,732,246.69
  5. Step 5: Solve for x
    x = 47,732,246.69/9,270.52
  6. Step 6: Final answer
    x = 5,148.82

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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.