Home / 5,690.64-8,536.56-2,181.87

Finding the Fourth Proportional to 5,690.64, 8,536.56 and 2,181.87

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Solution

The fourth proportional to 5,690.64, 8,536.56 and 2,181.87 is: 3,273.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,690.64 : 8,536.56 = 2,181.87 : x
  2. Step 2: Convert to fraction form
    5,690.64/8,536.56 = 2,181.87/x
  3. Step 3: Cross multiply
    5,690.64x = 8,536.56 × 2,181.87
  4. Step 4: Simplify right side
    5,690.64x = 18,625,664.17
  5. Step 5: Solve for x
    x = 18,625,664.17/5,690.64
  6. Step 6: Final answer
    x = 3,273.04

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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.