Home / 9,321.26-13,977.09-2,746.58

Finding the Fourth Proportional to 9,321.26, 13,977.09 and 2,746.58

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Solution

The fourth proportional to 9,321.26, 13,977.09 and 2,746.58 is: 4,118.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,321.26 : 13,977.09 = 2,746.58 : x
  2. Step 2: Convert to fraction form
    9,321.26/13,977.09 = 2,746.58/x
  3. Step 3: Cross multiply
    9,321.26x = 13,977.09 × 2,746.58
  4. Step 4: Simplify right side
    9,321.26x = 38,389,125.97
  5. Step 5: Solve for x
    x = 38,389,125.97/9,321.26
  6. Step 6: Final answer
    x = 4,118.45

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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.