Home / 8,188.56-12,285.96-3,261.84

Finding the Fourth Proportional to 8,188.56, 12,285.96 and 3,261.84

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Solution

The fourth proportional to 8,188.56, 12,285.96 and 3,261.84 is: 4,894.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,188.56 : 12,285.96 = 3,261.84 : x
  2. Step 2: Convert to fraction form
    8,188.56/12,285.96 = 3,261.84/x
  3. Step 3: Cross multiply
    8,188.56x = 12,285.96 × 3,261.84
  4. Step 4: Simplify right side
    8,188.56x = 40,074,835.77
  5. Step 5: Solve for x
    x = 40,074,835.77/8,188.56
  6. Step 6: Final answer
    x = 4,894.00

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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.