Home / 4,152.33-6,229.55-1,379.78

Finding the Fourth Proportional to 4,152.33, 6,229.55 and 1,379.78

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Solution

The fourth proportional to 4,152.33, 6,229.55 and 1,379.78 is: 2,070.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,152.33 : 6,229.55 = 1,379.78 : x
  2. Step 2: Convert to fraction form
    4,152.33/6,229.55 = 1,379.78/x
  3. Step 3: Cross multiply
    4,152.33x = 6,229.55 × 1,379.78
  4. Step 4: Simplify right side
    4,152.33x = 8,595,370.45
  5. Step 5: Solve for x
    x = 8,595,370.45/4,152.33
  6. Step 6: Final answer
    x = 2,070.01

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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.