Home / 6,438.62-9,655.88-3,317.66

Finding the Fourth Proportional to 6,438.62, 9,655.88 and 3,317.66

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Solution

The fourth proportional to 6,438.62, 9,655.88 and 3,317.66 is: 4,975.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,438.62 : 9,655.88 = 3,317.66 : x
  2. Step 2: Convert to fraction form
    6,438.62/9,655.88 = 3,317.66/x
  3. Step 3: Cross multiply
    6,438.62x = 9,655.88 × 3,317.66
  4. Step 4: Simplify right side
    6,438.62x = 32,034,926.84
  5. Step 5: Solve for x
    x = 32,034,926.84/6,438.62
  6. Step 6: Final answer
    x = 4,975.43

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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.