Home / 8,935.80-13,388.51-5,811.03

Finding the Fourth Proportional to 8,935.80, 13,388.51 and 5,811.03

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Solution

The fourth proportional to 8,935.80, 13,388.51 and 5,811.03 is: 8,706.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,935.80 : 13,388.51 = 5,811.03 : x
  2. Step 2: Convert to fraction form
    8,935.80/13,388.51 = 5,811.03/x
  3. Step 3: Cross multiply
    8,935.80x = 13,388.51 × 5,811.03
  4. Step 4: Simplify right side
    8,935.80x = 77,801,004.21
  5. Step 5: Solve for x
    x = 77,801,004.21/8,935.80
  6. Step 6: Final answer
    x = 8,706.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.