Home / 9,135.27-13,702.59-3,868.83

Finding the Fourth Proportional to 9,135.27, 13,702.59 and 3,868.83

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Solution

The fourth proportional to 9,135.27, 13,702.59 and 3,868.83 is: 5,803.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,135.27 : 13,702.59 = 3,868.83 : x
  2. Step 2: Convert to fraction form
    9,135.27/13,702.59 = 3,868.83/x
  3. Step 3: Cross multiply
    9,135.27x = 13,702.59 × 3,868.83
  4. Step 4: Simplify right side
    9,135.27x = 53,012,991.27
  5. Step 5: Solve for x
    x = 53,012,991.27/9,135.27
  6. Step 6: Final answer
    x = 5,803.11

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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.