Home / 8,727.40-13,065.38-5,760.37

Finding the Fourth Proportional to 8,727.40, 13,065.38 and 5,760.37

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Solution

The fourth proportional to 8,727.40, 13,065.38 and 5,760.37 is: 8,623.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,727.40 : 13,065.38 = 5,760.37 : x
  2. Step 2: Convert to fraction form
    8,727.40/13,065.38 = 5,760.37/x
  3. Step 3: Cross multiply
    8,727.40x = 13,065.38 × 5,760.37
  4. Step 4: Simplify right side
    8,727.40x = 75,261,422.99
  5. Step 5: Solve for x
    x = 75,261,422.99/8,727.40
  6. Step 6: Final answer
    x = 8,623.58

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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.