Home / 8,983.19-12,396.82-5,207.09

Finding the Fourth Proportional to 8,983.19, 12,396.82 and 5,207.09

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Solution

The fourth proportional to 8,983.19, 12,396.82 and 5,207.09 is: 7,185.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,983.19 : 12,396.82 = 5,207.09 : x
  2. Step 2: Convert to fraction form
    8,983.19/12,396.82 = 5,207.09/x
  3. Step 3: Cross multiply
    8,983.19x = 12,396.82 × 5,207.09
  4. Step 4: Simplify right side
    8,983.19x = 64,551,357.45
  5. Step 5: Solve for x
    x = 64,551,357.45/8,983.19
  6. Step 6: Final answer
    x = 7,185.79

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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.