Home / 9,149.51-13,721.19-3,601.40

Finding the Fourth Proportional to 9,149.51, 13,721.19 and 3,601.40

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Solution

The fourth proportional to 9,149.51, 13,721.19 and 3,601.40 is: 5,400.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,149.51 : 13,721.19 = 3,601.40 : x
  2. Step 2: Convert to fraction form
    9,149.51/13,721.19 = 3,601.40/x
  3. Step 3: Cross multiply
    9,149.51x = 13,721.19 × 3,601.40
  4. Step 4: Simplify right side
    9,149.51x = 49,415,493.67
  5. Step 5: Solve for x
    x = 49,415,493.67/9,149.51
  6. Step 6: Final answer
    x = 5,400.89

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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.