Home / 8,108.18-12,152.12-4,350.68

Finding the Fourth Proportional to 8,108.18, 12,152.12 and 4,350.68

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Solution

The fourth proportional to 8,108.18, 12,152.12 and 4,350.68 is: 6,520.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,108.18 : 12,152.12 = 4,350.68 : x
  2. Step 2: Convert to fraction form
    8,108.18/12,152.12 = 4,350.68/x
  3. Step 3: Cross multiply
    8,108.18x = 12,152.12 × 4,350.68
  4. Step 4: Simplify right side
    8,108.18x = 52,869,985.44
  5. Step 5: Solve for x
    x = 52,869,985.44/8,108.18
  6. Step 6: Final answer
    x = 6,520.57

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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.