Home / 9,106.38-13,660.16-2,866.62

Finding the Fourth Proportional to 9,106.38, 13,660.16 and 2,866.62

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Solution

The fourth proportional to 9,106.38, 13,660.16 and 2,866.62 is: 4,300.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,106.38 : 13,660.16 = 2,866.62 : x
  2. Step 2: Convert to fraction form
    9,106.38/13,660.16 = 2,866.62/x
  3. Step 3: Cross multiply
    9,106.38x = 13,660.16 × 2,866.62
  4. Step 4: Simplify right side
    9,106.38x = 39,158,487.86
  5. Step 5: Solve for x
    x = 39,158,487.86/9,106.38
  6. Step 6: Final answer
    x = 4,300.12

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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.