Home / 6,702.18-9,249.57-3,907.86

Finding the Fourth Proportional to 6,702.18, 9,249.57 and 3,907.86

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Solution

The fourth proportional to 6,702.18, 9,249.57 and 3,907.86 is: 5,393.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,702.18 : 9,249.57 = 3,907.86 : x
  2. Step 2: Convert to fraction form
    6,702.18/9,249.57 = 3,907.86/x
  3. Step 3: Cross multiply
    6,702.18x = 9,249.57 × 3,907.86
  4. Step 4: Simplify right side
    6,702.18x = 36,146,024.62
  5. Step 5: Solve for x
    x = 36,146,024.62/6,702.18
  6. Step 6: Final answer
    x = 5,393.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.