Home / 8,664.57-13,001.18-3,119.18

Finding the Fourth Proportional to 8,664.57, 13,001.18 and 3,119.18

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Solution

The fourth proportional to 8,664.57, 13,001.18 and 3,119.18 is: 4,680.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,664.57 : 13,001.18 = 3,119.18 : x
  2. Step 2: Convert to fraction form
    8,664.57/13,001.18 = 3,119.18/x
  3. Step 3: Cross multiply
    8,664.57x = 13,001.18 × 3,119.18
  4. Step 4: Simplify right side
    8,664.57x = 40,552,940.03
  5. Step 5: Solve for x
    x = 40,552,940.03/8,664.57
  6. Step 6: Final answer
    x = 4,680.32

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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.