Home / 5,406.98-8,107.19-2,630.85

Finding the Fourth Proportional to 5,406.98, 8,107.19 and 2,630.85

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Solution

The fourth proportional to 5,406.98, 8,107.19 and 2,630.85 is: 3,944.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,406.98 : 8,107.19 = 2,630.85 : x
  2. Step 2: Convert to fraction form
    5,406.98/8,107.19 = 2,630.85/x
  3. Step 3: Cross multiply
    5,406.98x = 8,107.19 × 2,630.85
  4. Step 4: Simplify right side
    5,406.98x = 21,328,787.66
  5. Step 5: Solve for x
    x = 21,328,787.66/5,406.98
  6. Step 6: Final answer
    x = 3,944.68

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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.