Home / 4,429.09-6,111.92-2,439.60

Finding the Fourth Proportional to 4,429.09, 6,111.92 and 2,439.60

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Solution

The fourth proportional to 4,429.09, 6,111.92 and 2,439.60 is: 3,366.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,429.09 : 6,111.92 = 2,439.60 : x
  2. Step 2: Convert to fraction form
    4,429.09/6,111.92 = 2,439.60/x
  3. Step 3: Cross multiply
    4,429.09x = 6,111.92 × 2,439.60
  4. Step 4: Simplify right side
    4,429.09x = 14,910,659.90
  5. Step 5: Solve for x
    x = 14,910,659.90/4,429.09
  6. Step 6: Final answer
    x = 3,366.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.