Home / 4,418.54-6,627.80-1,131.64

Finding the Fourth Proportional to 4,418.54, 6,627.80 and 1,131.64

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Solution

The fourth proportional to 4,418.54, 6,627.80 and 1,131.64 is: 1,697.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,418.54 : 6,627.80 = 1,131.64 : x
  2. Step 2: Convert to fraction form
    4,418.54/6,627.80 = 1,131.64/x
  3. Step 3: Cross multiply
    4,418.54x = 6,627.80 × 1,131.64
  4. Step 4: Simplify right side
    4,418.54x = 7,500,269.85
  5. Step 5: Solve for x
    x = 7,500,269.85/4,418.54
  6. Step 6: Final answer
    x = 1,697.45

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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.