Home / 6,347.72-9,505.18-4,379.42

Finding the Fourth Proportional to 6,347.72, 9,505.18 and 4,379.42

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Solution

The fourth proportional to 6,347.72, 9,505.18 and 4,379.42 is: 6,557.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,347.72 : 9,505.18 = 4,379.42 : x
  2. Step 2: Convert to fraction form
    6,347.72/9,505.18 = 4,379.42/x
  3. Step 3: Cross multiply
    6,347.72x = 9,505.18 × 4,379.42
  4. Step 4: Simplify right side
    6,347.72x = 41,627,175.40
  5. Step 5: Solve for x
    x = 41,627,175.40/6,347.72
  6. Step 6: Final answer
    x = 6,557.82

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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.