Home / 9,107.93-13,661.88-2,868.47

Finding the Fourth Proportional to 9,107.93, 13,661.88 and 2,868.47

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Solution

The fourth proportional to 9,107.93, 13,661.88 and 2,868.47 is: 4,302.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,107.93 : 13,661.88 = 2,868.47 : x
  2. Step 2: Convert to fraction form
    9,107.93/13,661.88 = 2,868.47/x
  3. Step 3: Cross multiply
    9,107.93x = 13,661.88 × 2,868.47
  4. Step 4: Simplify right side
    9,107.93x = 39,188,692.92
  5. Step 5: Solve for x
    x = 39,188,692.92/9,107.93
  6. Step 6: Final answer
    x = 4,302.70

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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.