Home / 8,450.62-11,656.32-5,091.16

Finding the Fourth Proportional to 8,450.62, 11,656.32 and 5,091.16

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Solution

The fourth proportional to 8,450.62, 11,656.32 and 5,091.16 is: 7,022.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,450.62 : 11,656.32 = 5,091.16 : x
  2. Step 2: Convert to fraction form
    8,450.62/11,656.32 = 5,091.16/x
  3. Step 3: Cross multiply
    8,450.62x = 11,656.32 × 5,091.16
  4. Step 4: Simplify right side
    8,450.62x = 59,344,190.13
  5. Step 5: Solve for x
    x = 59,344,190.13/8,450.62
  6. Step 6: Final answer
    x = 7,022.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.