Home / 6,421.68-9,634.84-2,523.92

Finding the Fourth Proportional to 6,421.68, 9,634.84 and 2,523.92

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Solution

The fourth proportional to 6,421.68, 9,634.84 and 2,523.92 is: 3,786.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,421.68 : 9,634.84 = 2,523.92 : x
  2. Step 2: Convert to fraction form
    6,421.68/9,634.84 = 2,523.92/x
  3. Step 3: Cross multiply
    6,421.68x = 9,634.84 × 2,523.92
  4. Step 4: Simplify right side
    6,421.68x = 24,317,565.37
  5. Step 5: Solve for x
    x = 24,317,565.37/6,421.68
  6. Step 6: Final answer
    x = 3,786.79

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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.