Home / 8,981.62-13,466.16-3,981.26

Finding the Fourth Proportional to 8,981.62, 13,466.16 and 3,981.26

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Solution

The fourth proportional to 8,981.62, 13,466.16 and 3,981.26 is: 5,969.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,981.62 : 13,466.16 = 3,981.26 : x
  2. Step 2: Convert to fraction form
    8,981.62/13,466.16 = 3,981.26/x
  3. Step 3: Cross multiply
    8,981.62x = 13,466.16 × 3,981.26
  4. Step 4: Simplify right side
    8,981.62x = 53,612,284.16
  5. Step 5: Solve for x
    x = 53,612,284.16/8,981.62
  6. Step 6: Final answer
    x = 5,969.11

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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.