Home / 4,314.77-6,467.79-1,680.62

Finding the Fourth Proportional to 4,314.77, 6,467.79 and 1,680.62

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Solution

The fourth proportional to 4,314.77, 6,467.79 and 1,680.62 is: 2,519.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,314.77 : 6,467.79 = 1,680.62 : x
  2. Step 2: Convert to fraction form
    4,314.77/6,467.79 = 1,680.62/x
  3. Step 3: Cross multiply
    4,314.77x = 6,467.79 × 1,680.62
  4. Step 4: Simplify right side
    4,314.77x = 10,869,913.40
  5. Step 5: Solve for x
    x = 10,869,913.40/4,314.77
  6. Step 6: Final answer
    x = 2,519.24

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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.