Home / 8,983.14-12,396.70-5,208.49

Finding the Fourth Proportional to 8,983.14, 12,396.70 and 5,208.49

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Solution

The fourth proportional to 8,983.14, 12,396.70 and 5,208.49 is: 7,187.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,983.14 : 12,396.70 = 5,208.49 : x
  2. Step 2: Convert to fraction form
    8,983.14/12,396.70 = 5,208.49/x
  3. Step 3: Cross multiply
    8,983.14x = 12,396.70 × 5,208.49
  4. Step 4: Simplify right side
    8,983.14x = 64,568,040.26
  5. Step 5: Solve for x
    x = 64,568,040.26/8,983.14
  6. Step 6: Final answer
    x = 7,187.69

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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.