Home / 6,448.75-9,675.85-3,523.64

Finding the Fourth Proportional to 6,448.75, 9,675.85 and 3,523.64

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Solution

The fourth proportional to 6,448.75, 9,675.85 and 3,523.64 is: 5,286.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,448.75 : 9,675.85 = 3,523.64 : x
  2. Step 2: Convert to fraction form
    6,448.75/9,675.85 = 3,523.64/x
  3. Step 3: Cross multiply
    6,448.75x = 9,675.85 × 3,523.64
  4. Step 4: Simplify right side
    6,448.75x = 34,094,212.09
  5. Step 5: Solve for x
    x = 34,094,212.09/6,448.75
  6. Step 6: Final answer
    x = 5,286.95

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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.