Home / 5,786.80-8,680.54-1,627.13

Finding the Fourth Proportional to 5,786.80, 8,680.54 and 1,627.13

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Solution

The fourth proportional to 5,786.80, 8,680.54 and 1,627.13 is: 2,440.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,786.80 : 8,680.54 = 1,627.13 : x
  2. Step 2: Convert to fraction form
    5,786.80/8,680.54 = 1,627.13/x
  3. Step 3: Cross multiply
    5,786.80x = 8,680.54 × 1,627.13
  4. Step 4: Simplify right side
    5,786.80x = 14,124,384.68
  5. Step 5: Solve for x
    x = 14,124,384.68/5,786.80
  6. Step 6: Final answer
    x = 2,440.79

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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.