Home / 9,189.26-13,785.91-2,615.50

Finding the Fourth Proportional to 9,189.26, 13,785.91 and 2,615.50

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Solution

The fourth proportional to 9,189.26, 13,785.91 and 2,615.50 is: 3,923.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,189.26 : 13,785.91 = 2,615.50 : x
  2. Step 2: Convert to fraction form
    9,189.26/13,785.91 = 2,615.50/x
  3. Step 3: Cross multiply
    9,189.26x = 13,785.91 × 2,615.50
  4. Step 4: Simplify right side
    9,189.26x = 36,057,006.60
  5. Step 5: Solve for x
    x = 36,057,006.60/9,189.26
  6. Step 6: Final answer
    x = 3,923.82

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1.5x scale

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.