Home / 6,418.85-9,627.87-2,039.45

Finding the Fourth Proportional to 6,418.85, 9,627.87 and 2,039.45

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Solution

The fourth proportional to 6,418.85, 9,627.87 and 2,039.45 is: 3,059.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,418.85 : 9,627.87 = 2,039.45 : x
  2. Step 2: Convert to fraction form
    6,418.85/9,627.87 = 2,039.45/x
  3. Step 3: Cross multiply
    6,418.85x = 9,627.87 × 2,039.45
  4. Step 4: Simplify right side
    6,418.85x = 19,635,559.47
  5. Step 5: Solve for x
    x = 19,635,559.47/6,418.85
  6. Step 6: Final answer
    x = 3,059.05

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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.