Home / 5,229.15-7,840.92-2,106.60

Finding the Fourth Proportional to 5,229.15, 7,840.92 and 2,106.60

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Solution

The fourth proportional to 5,229.15, 7,840.92 and 2,106.60 is: 3,158.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,229.15 : 7,840.92 = 2,106.60 : x
  2. Step 2: Convert to fraction form
    5,229.15/7,840.92 = 2,106.60/x
  3. Step 3: Cross multiply
    5,229.15x = 7,840.92 × 2,106.60
  4. Step 4: Simplify right side
    5,229.15x = 16,517,682.07
  5. Step 5: Solve for x
    x = 16,517,682.07/5,229.15
  6. Step 6: Final answer
    x = 3,158.77

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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.