Home / 9,301.74-12,836.19-5,109.90

Finding the Fourth Proportional to 9,301.74, 12,836.19 and 5,109.90

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Solution

The fourth proportional to 9,301.74, 12,836.19 and 5,109.90 is: 7,051.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,301.74 : 12,836.19 = 5,109.90 : x
  2. Step 2: Convert to fraction form
    9,301.74/12,836.19 = 5,109.90/x
  3. Step 3: Cross multiply
    9,301.74x = 12,836.19 × 5,109.90
  4. Step 4: Simplify right side
    9,301.74x = 65,591,647.28
  5. Step 5: Solve for x
    x = 65,591,647.28/9,301.74
  6. Step 6: Final answer
    x = 7,051.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.