Home / 7,887.00-11,837.95-5,800.65

Finding the Fourth Proportional to 7,887.00, 11,837.95 and 5,800.65

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Solution

The fourth proportional to 7,887.00, 11,837.95 and 5,800.65 is: 8,706.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,887.00 : 11,837.95 = 5,800.65 : x
  2. Step 2: Convert to fraction form
    7,887.00/11,837.95 = 5,800.65/x
  3. Step 3: Cross multiply
    7,887.00x = 11,837.95 × 5,800.65
  4. Step 4: Simplify right side
    7,887.00x = 68,667,745.77
  5. Step 5: Solve for x
    x = 68,667,745.77/7,887.00
  6. Step 6: Final answer
    x = 8,706.44

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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.