Home / 9,107.19-13,659.57-2,865.69

Finding the Fourth Proportional to 9,107.19, 13,659.57 and 2,865.69

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Solution

The fourth proportional to 9,107.19, 13,659.57 and 2,865.69 is: 4,298.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,107.19 : 13,659.57 = 2,865.69 : x
  2. Step 2: Convert to fraction form
    9,107.19/13,659.57 = 2,865.69/x
  3. Step 3: Cross multiply
    9,107.19x = 13,659.57 × 2,865.69
  4. Step 4: Simplify right side
    9,107.19x = 39,144,093.15
  5. Step 5: Solve for x
    x = 39,144,093.15/9,107.19
  6. Step 6: Final answer
    x = 4,298.15

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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.