Home / 8,401.38-12,598.83-4,020.90

Finding the Fourth Proportional to 8,401.38, 12,598.83 and 4,020.90

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Solution

The fourth proportional to 8,401.38, 12,598.83 and 4,020.90 is: 6,029.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,401.38 : 12,598.83 = 4,020.90 : x
  2. Step 2: Convert to fraction form
    8,401.38/12,598.83 = 4,020.90/x
  3. Step 3: Cross multiply
    8,401.38x = 12,598.83 × 4,020.90
  4. Step 4: Simplify right side
    8,401.38x = 50,658,635.55
  5. Step 5: Solve for x
    x = 50,658,635.55/8,401.38
  6. Step 6: Final answer
    x = 6,029.80

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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.