Home / 9,135.03-13,702.66-3,211.68

Finding the Fourth Proportional to 9,135.03, 13,702.66 and 3,211.68

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Solution

The fourth proportional to 9,135.03, 13,702.66 and 3,211.68 is: 4,817.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,135.03 : 13,702.66 = 3,211.68 : x
  2. Step 2: Convert to fraction form
    9,135.03/13,702.66 = 3,211.68/x
  3. Step 3: Cross multiply
    9,135.03x = 13,702.66 × 3,211.68
  4. Step 4: Simplify right side
    9,135.03x = 44,008,559.07
  5. Step 5: Solve for x
    x = 44,008,559.07/9,135.03
  6. Step 6: Final answer
    x = 4,817.56

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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.