Home / 8,188.19-12,283.64-3,257.87

Finding the Fourth Proportional to 8,188.19, 12,283.64 and 3,257.87

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Solution

The fourth proportional to 8,188.19, 12,283.64 and 3,257.87 is: 4,887.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,188.19 : 12,283.64 = 3,257.87 : x
  2. Step 2: Convert to fraction form
    8,188.19/12,283.64 = 3,257.87/x
  3. Step 3: Cross multiply
    8,188.19x = 12,283.64 × 3,257.87
  4. Step 4: Simplify right side
    8,188.19x = 40,018,485.96
  5. Step 5: Solve for x
    x = 40,018,485.96/8,188.19
  6. Step 6: Final answer
    x = 4,887.35

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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.