Home / 4,401.90-6,601.17-1,280.85

Finding the Fourth Proportional to 4,401.90, 6,601.17 and 1,280.85

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Solution

The fourth proportional to 4,401.90, 6,601.17 and 1,280.85 is: 1,920.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,401.90 : 6,601.17 = 1,280.85 : x
  2. Step 2: Convert to fraction form
    4,401.90/6,601.17 = 1,280.85/x
  3. Step 3: Cross multiply
    4,401.90x = 6,601.17 × 1,280.85
  4. Step 4: Simplify right side
    4,401.90x = 8,455,108.59
  5. Step 5: Solve for x
    x = 8,455,108.59/4,401.90
  6. Step 6: Final answer
    x = 1,920.79

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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.