Home / 9,164.89-13,749.36-3,899.62

Finding the Fourth Proportional to 9,164.89, 13,749.36 and 3,899.62

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Solution

The fourth proportional to 9,164.89, 13,749.36 and 3,899.62 is: 5,850.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,164.89 : 13,749.36 = 3,899.62 : x
  2. Step 2: Convert to fraction form
    9,164.89/13,749.36 = 3,899.62/x
  3. Step 3: Cross multiply
    9,164.89x = 13,749.36 × 3,899.62
  4. Step 4: Simplify right side
    9,164.89x = 53,617,279.24
  5. Step 5: Solve for x
    x = 53,617,279.24/9,164.89
  6. Step 6: Final answer
    x = 5,850.29

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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.