Home / 6,421.22-9,632.89-2,039.73

Finding the Fourth Proportional to 6,421.22, 9,632.89 and 2,039.73

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Solution

The fourth proportional to 6,421.22, 9,632.89 and 2,039.73 is: 3,059.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,421.22 : 9,632.89 = 2,039.73 : x
  2. Step 2: Convert to fraction form
    6,421.22/9,632.89 = 2,039.73/x
  3. Step 3: Cross multiply
    6,421.22x = 9,632.89 × 2,039.73
  4. Step 4: Simplify right side
    6,421.22x = 19,648,489.62
  5. Step 5: Solve for x
    x = 19,648,489.62/6,421.22
  6. Step 6: Final answer
    x = 3,059.93

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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.