Home / 8,981.62-13,467.81-4,825.13

Finding the Fourth Proportional to 8,981.62, 13,467.81 and 4,825.13

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Solution

The fourth proportional to 8,981.62, 13,467.81 and 4,825.13 is: 7,235.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,981.62 : 13,467.81 = 4,825.13 : x
  2. Step 2: Convert to fraction form
    8,981.62/13,467.81 = 4,825.13/x
  3. Step 3: Cross multiply
    8,981.62x = 13,467.81 × 4,825.13
  4. Step 4: Simplify right side
    8,981.62x = 64,983,934.07
  5. Step 5: Solve for x
    x = 64,983,934.07/8,981.62
  6. Step 6: Final answer
    x = 7,235.21

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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.