Home / 8,512.45-12,770-4,350.19

Finding the Fourth Proportional to 8,512.45, 12,770 and 4,350.19

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Solution

The fourth proportional to 8,512.45, 12,770 and 4,350.19 is: 6,525.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,512.45 : 12,770 = 4,350.19 : x
  2. Step 2: Convert to fraction form
    8,512.45/12,770 = 4,350.19/x
  3. Step 3: Cross multiply
    8,512.45x = 12,770 × 4,350.19
  4. Step 4: Simplify right side
    8,512.45x = 55,551,926.30
  5. Step 5: Solve for x
    x = 55,551,926.30/8,512.45
  6. Step 6: Final answer
    x = 6,525.96

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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.