Home / 9,189.33-13,782.17-2,615.58

Finding the Fourth Proportional to 9,189.33, 13,782.17 and 2,615.58

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Solution

The fourth proportional to 9,189.33, 13,782.17 and 2,615.58 is: 3,922.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,189.33 : 13,782.17 = 2,615.58 : x
  2. Step 2: Convert to fraction form
    9,189.33/13,782.17 = 2,615.58/x
  3. Step 3: Cross multiply
    9,189.33x = 13,782.17 × 2,615.58
  4. Step 4: Simplify right side
    9,189.33x = 36,048,355.13
  5. Step 5: Solve for x
    x = 36,048,355.13/9,189.33
  6. Step 6: Final answer
    x = 3,922.85

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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.