Home / 6,421.82-9,632.59-2,959.07

Finding the Fourth Proportional to 6,421.82, 9,632.59 and 2,959.07

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Solution

The fourth proportional to 6,421.82, 9,632.59 and 2,959.07 is: 4,438.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,421.82 : 9,632.59 = 2,959.07 : x
  2. Step 2: Convert to fraction form
    6,421.82/9,632.59 = 2,959.07/x
  3. Step 3: Cross multiply
    6,421.82x = 9,632.59 × 2,959.07
  4. Step 4: Simplify right side
    6,421.82x = 28,503,505.30
  5. Step 5: Solve for x
    x = 28,503,505.30/6,421.82
  6. Step 6: Final answer
    x = 4,438.54

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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.