Home / 8,684.50-13,027.35-4,300.78

Finding the Fourth Proportional to 8,684.50, 13,027.35 and 4,300.78

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Solution

The fourth proportional to 8,684.50, 13,027.35 and 4,300.78 is: 6,451.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,684.50 : 13,027.35 = 4,300.78 : x
  2. Step 2: Convert to fraction form
    8,684.50/13,027.35 = 4,300.78/x
  3. Step 3: Cross multiply
    8,684.50x = 13,027.35 × 4,300.78
  4. Step 4: Simplify right side
    8,684.50x = 56,027,766.33
  5. Step 5: Solve for x
    x = 56,027,766.33/8,684.50
  6. Step 6: Final answer
    x = 6,451.47

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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.