Home / 5,309.16-7,961.82-1,849.32

Finding the Fourth Proportional to 5,309.16, 7,961.82 and 1,849.32

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Solution

The fourth proportional to 5,309.16, 7,961.82 and 1,849.32 is: 2,773.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,309.16 : 7,961.82 = 1,849.32 : x
  2. Step 2: Convert to fraction form
    5,309.16/7,961.82 = 1,849.32/x
  3. Step 3: Cross multiply
    5,309.16x = 7,961.82 × 1,849.32
  4. Step 4: Simplify right side
    5,309.16x = 14,723,952.96
  5. Step 5: Solve for x
    x = 14,723,952.96/5,309.16
  6. Step 6: Final answer
    x = 2,773.31

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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.