Home / 5,690.45-8,539.31-2,767.16

Finding the Fourth Proportional to 5,690.45, 8,539.31 and 2,767.16

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Solution

The fourth proportional to 5,690.45, 8,539.31 and 2,767.16 is: 4,152.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,690.45 : 8,539.31 = 2,767.16 : x
  2. Step 2: Convert to fraction form
    5,690.45/8,539.31 = 2,767.16/x
  3. Step 3: Cross multiply
    5,690.45x = 8,539.31 × 2,767.16
  4. Step 4: Simplify right side
    5,690.45x = 23,629,665.33
  5. Step 5: Solve for x
    x = 23,629,665.33/5,690.45
  6. Step 6: Final answer
    x = 4,152.51

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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.