Home / 9,321.26-13,977.47-3,393.95

Finding the Fourth Proportional to 9,321.26, 13,977.47 and 3,393.95

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Solution

The fourth proportional to 9,321.26, 13,977.47 and 3,393.95 is: 5,089.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,321.26 : 13,977.47 = 3,393.95 : x
  2. Step 2: Convert to fraction form
    9,321.26/13,977.47 = 3,393.95/x
  3. Step 3: Cross multiply
    9,321.26x = 13,977.47 × 3,393.95
  4. Step 4: Simplify right side
    9,321.26x = 47,438,747.45
  5. Step 5: Solve for x
    x = 47,438,747.45/9,321.26
  6. Step 6: Final answer
    x = 5,089.31

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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.