Home / 4,418.55-6,627.68-1,131.68

Finding the Fourth Proportional to 4,418.55, 6,627.68 and 1,131.68

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Solution

The fourth proportional to 4,418.55, 6,627.68 and 1,131.68 is: 1,697.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,418.55 : 6,627.68 = 1,131.68 : x
  2. Step 2: Convert to fraction form
    4,418.55/6,627.68 = 1,131.68/x
  3. Step 3: Cross multiply
    4,418.55x = 6,627.68 × 1,131.68
  4. Step 4: Simplify right side
    4,418.55x = 7,500,374.11
  5. Step 5: Solve for x
    x = 7,500,374.11/4,418.55
  6. Step 6: Final answer
    x = 1,697.47

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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.