Home / 8,164.77-11,270.83-5,515.77

Finding the Fourth Proportional to 8,164.77, 11,270.83 and 5,515.77

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Solution

The fourth proportional to 8,164.77, 11,270.83 and 5,515.77 is: 7,614.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,164.77 : 11,270.83 = 5,515.77 : x
  2. Step 2: Convert to fraction form
    8,164.77/11,270.83 = 5,515.77/x
  3. Step 3: Cross multiply
    8,164.77x = 11,270.83 × 5,515.77
  4. Step 4: Simplify right side
    8,164.77x = 62,167,305.99
  5. Step 5: Solve for x
    x = 62,167,305.99/8,164.77
  6. Step 6: Final answer
    x = 7,614.09

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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.