Home / 4,448.46-6,139.20-3,122.46

Finding the Fourth Proportional to 4,448.46, 6,139.20 and 3,122.46

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Solution

The fourth proportional to 4,448.46, 6,139.20 and 3,122.46 is: 4,309.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,448.46 : 6,139.20 = 3,122.46 : x
  2. Step 2: Convert to fraction form
    4,448.46/6,139.20 = 3,122.46/x
  3. Step 3: Cross multiply
    4,448.46x = 6,139.20 × 3,122.46
  4. Step 4: Simplify right side
    4,448.46x = 19,169,406.43
  5. Step 5: Solve for x
    x = 19,169,406.43/4,448.46
  6. Step 6: Final answer
    x = 4,309.22

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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.