Home / 5,690.02-8,536.64-4,131.58

Finding the Fourth Proportional to 5,690.02, 8,536.64 and 4,131.58

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Solution

The fourth proportional to 5,690.02, 8,536.64 and 4,131.58 is: 6,198.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,690.02 : 8,536.64 = 4,131.58 : x
  2. Step 2: Convert to fraction form
    5,690.02/8,536.64 = 4,131.58/x
  3. Step 3: Cross multiply
    5,690.02x = 8,536.64 × 4,131.58
  4. Step 4: Simplify right side
    5,690.02x = 35,269,811.09
  5. Step 5: Solve for x
    x = 35,269,811.09/5,690.02
  6. Step 6: Final answer
    x = 6,198.54

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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.