Home / 4,153.24-6,229.20-1,379.68

Finding the Fourth Proportional to 4,153.24, 6,229.20 and 1,379.68

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Solution

The fourth proportional to 4,153.24, 6,229.20 and 1,379.68 is: 2,069.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,153.24 : 6,229.20 = 1,379.68 : x
  2. Step 2: Convert to fraction form
    4,153.24/6,229.20 = 1,379.68/x
  3. Step 3: Cross multiply
    4,153.24x = 6,229.20 × 1,379.68
  4. Step 4: Simplify right side
    4,153.24x = 8,594,302.66
  5. Step 5: Solve for x
    x = 8,594,302.66/4,153.24
  6. Step 6: Final answer
    x = 2,069.30

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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.