Home / 7,865.15-11,792.01-3,702.85

Finding the Fourth Proportional to 7,865.15, 11,792.01 and 3,702.85

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Solution

The fourth proportional to 7,865.15, 11,792.01 and 3,702.85 is: 5,551.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,865.15 : 11,792.01 = 3,702.85 : x
  2. Step 2: Convert to fraction form
    7,865.15/11,792.01 = 3,702.85/x
  3. Step 3: Cross multiply
    7,865.15x = 11,792.01 × 3,702.85
  4. Step 4: Simplify right side
    7,865.15x = 43,664,044.23
  5. Step 5: Solve for x
    x = 43,664,044.23/7,865.15
  6. Step 6: Final answer
    x = 5,551.58

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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.