Home / 4,680.92-7,022.83-2,808.90

Finding the Fourth Proportional to 4,680.92, 7,022.83 and 2,808.90

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Solution

The fourth proportional to 4,680.92, 7,022.83 and 2,808.90 is: 4,214.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,680.92 : 7,022.83 = 2,808.90 : x
  2. Step 2: Convert to fraction form
    4,680.92/7,022.83 = 2,808.90/x
  3. Step 3: Cross multiply
    4,680.92x = 7,022.83 × 2,808.90
  4. Step 4: Simplify right side
    4,680.92x = 19,726,427.19
  5. Step 5: Solve for x
    x = 19,726,427.19/4,680.92
  6. Step 6: Final answer
    x = 4,214.22

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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.