Home / 6,645.87-9,963.45-3,684.24

Finding the Fourth Proportional to 6,645.87, 9,963.45 and 3,684.24

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Solution

The fourth proportional to 6,645.87, 9,963.45 and 3,684.24 is: 5,523.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,645.87 : 9,963.45 = 3,684.24 : x
  2. Step 2: Convert to fraction form
    6,645.87/9,963.45 = 3,684.24/x
  3. Step 3: Cross multiply
    6,645.87x = 9,963.45 × 3,684.24
  4. Step 4: Simplify right side
    6,645.87x = 36,707,741.03
  5. Step 5: Solve for x
    x = 36,707,741.03/6,645.87
  6. Step 6: Final answer
    x = 5,523.39

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1.5x scale

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.