Home / 4,152.48-6,229.84-1,379.60

Finding the Fourth Proportional to 4,152.48, 6,229.84 and 1,379.60

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Solution

The fourth proportional to 4,152.48, 6,229.84 and 1,379.60 is: 2,069.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,152.48 : 6,229.84 = 1,379.60 : x
  2. Step 2: Convert to fraction form
    4,152.48/6,229.84 = 1,379.60/x
  3. Step 3: Cross multiply
    4,152.48x = 6,229.84 × 1,379.60
  4. Step 4: Simplify right side
    4,152.48x = 8,594,687.26
  5. Step 5: Solve for x
    x = 8,594,687.26/4,152.48
  6. Step 6: Final answer
    x = 2,069.77

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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.