Home / 8,135.04-12,188.63-4,439.86

Finding the Fourth Proportional to 8,135.04, 12,188.63 and 4,439.86

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Solution

The fourth proportional to 8,135.04, 12,188.63 and 4,439.86 is: 6,652.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,135.04 : 12,188.63 = 4,439.86 : x
  2. Step 2: Convert to fraction form
    8,135.04/12,188.63 = 4,439.86/x
  3. Step 3: Cross multiply
    8,135.04x = 12,188.63 × 4,439.86
  4. Step 4: Simplify right side
    8,135.04x = 54,115,810.79
  5. Step 5: Solve for x
    x = 54,115,810.79/8,135.04
  6. Step 6: Final answer
    x = 6,652.19

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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.