Home / 8,650.20-12,966.66-4,270.80

Finding the Fourth Proportional to 8,650.20, 12,966.66 and 4,270.80

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Solution

The fourth proportional to 8,650.20, 12,966.66 and 4,270.80 is: 6,401.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,650.20 : 12,966.66 = 4,270.80 : x
  2. Step 2: Convert to fraction form
    8,650.20/12,966.66 = 4,270.80/x
  3. Step 3: Cross multiply
    8,650.20x = 12,966.66 × 4,270.80
  4. Step 4: Simplify right side
    8,650.20x = 55,378,011.53
  5. Step 5: Solve for x
    x = 55,378,011.53/8,650.20
  6. Step 6: Final answer
    x = 6,401.93

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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.