Home / 5,807.31-8,705.82-2,519.28

Finding the Fourth Proportional to 5,807.31, 8,705.82 and 2,519.28

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Solution

The fourth proportional to 5,807.31, 8,705.82 and 2,519.28 is: 3,776.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,807.31 : 8,705.82 = 2,519.28 : x
  2. Step 2: Convert to fraction form
    5,807.31/8,705.82 = 2,519.28/x
  3. Step 3: Cross multiply
    5,807.31x = 8,705.82 × 2,519.28
  4. Step 4: Simplify right side
    5,807.31x = 21,932,398.21
  5. Step 5: Solve for x
    x = 21,932,398.21/5,807.31
  6. Step 6: Final answer
    x = 3,776.69

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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.