Home / 8,665.29-11,957.76-4,887.86

Finding the Fourth Proportional to 8,665.29, 11,957.76 and 4,887.86

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Solution

The fourth proportional to 8,665.29, 11,957.76 and 4,887.86 is: 6,745.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,665.29 : 11,957.76 = 4,887.86 : x
  2. Step 2: Convert to fraction form
    8,665.29/11,957.76 = 4,887.86/x
  3. Step 3: Cross multiply
    8,665.29x = 11,957.76 × 4,887.86
  4. Step 4: Simplify right side
    8,665.29x = 58,447,797.00
  5. Step 5: Solve for x
    x = 58,447,797.00/8,665.29
  6. Step 6: Final answer
    x = 6,745.05

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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.