Home / 8,125.34-12,168.43-4,166.15

Finding the Fourth Proportional to 8,125.34, 12,168.43 and 4,166.15

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Solution

The fourth proportional to 8,125.34, 12,168.43 and 4,166.15 is: 6,239.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,125.34 : 12,168.43 = 4,166.15 : x
  2. Step 2: Convert to fraction form
    8,125.34/12,168.43 = 4,166.15/x
  3. Step 3: Cross multiply
    8,125.34x = 12,168.43 × 4,166.15
  4. Step 4: Simplify right side
    8,125.34x = 50,695,433.39
  5. Step 5: Solve for x
    x = 50,695,433.39/8,125.34
  6. Step 6: Final answer
    x = 6,239.18

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1.5x scale

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.