Home / 8,859.28-13,288.38-3,665.02

Finding the Fourth Proportional to 8,859.28, 13,288.38 and 3,665.02

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Solution

The fourth proportional to 8,859.28, 13,288.38 and 3,665.02 is: 5,497.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,859.28 : 13,288.38 = 3,665.02 : x
  2. Step 2: Convert to fraction form
    8,859.28/13,288.38 = 3,665.02/x
  3. Step 3: Cross multiply
    8,859.28x = 13,288.38 × 3,665.02
  4. Step 4: Simplify right side
    8,859.28x = 48,702,178.47
  5. Step 5: Solve for x
    x = 48,702,178.47/8,859.28
  6. Step 6: Final answer
    x = 5,497.31

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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.