Home / 5,619.73-8,426.62-2,808.13

Finding the Fourth Proportional to 5,619.73, 8,426.62 and 2,808.13

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Solution

The fourth proportional to 5,619.73, 8,426.62 and 2,808.13 is: 4,210.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,619.73 : 8,426.62 = 2,808.13 : x
  2. Step 2: Convert to fraction form
    5,619.73/8,426.62 = 2,808.13/x
  3. Step 3: Cross multiply
    5,619.73x = 8,426.62 × 2,808.13
  4. Step 4: Simplify right side
    5,619.73x = 23,663,026.86
  5. Step 5: Solve for x
    x = 23,663,026.86/5,619.73
  6. Step 6: Final answer
    x = 4,210.71

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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.