Home / 8,981.28-13,464.72-6,022.80

Finding the Fourth Proportional to 8,981.28, 13,464.72 and 6,022.80

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Solution

The fourth proportional to 8,981.28, 13,464.72 and 6,022.80 is: 9,029.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,981.28 : 13,464.72 = 6,022.80 : x
  2. Step 2: Convert to fraction form
    8,981.28/13,464.72 = 6,022.80/x
  3. Step 3: Cross multiply
    8,981.28x = 13,464.72 × 6,022.80
  4. Step 4: Simplify right side
    8,981.28x = 81,095,315.62
  5. Step 5: Solve for x
    x = 81,095,315.62/8,981.28
  6. Step 6: Final answer
    x = 9,029.37

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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.