Home / 8,167.21-11,270.87-6,119.49

Finding the Fourth Proportional to 8,167.21, 11,270.87 and 6,119.49

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Solution

The fourth proportional to 8,167.21, 11,270.87 and 6,119.49 is: 8,444.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,167.21 : 11,270.87 = 6,119.49 : x
  2. Step 2: Convert to fraction form
    8,167.21/11,270.87 = 6,119.49/x
  3. Step 3: Cross multiply
    8,167.21x = 11,270.87 × 6,119.49
  4. Step 4: Simplify right side
    8,167.21x = 68,971,976.26
  5. Step 5: Solve for x
    x = 68,971,976.26/8,167.21
  6. Step 6: Final answer
    x = 8,444.99

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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.