Home / 4,448.12-6,139.70-2,768.68

Finding the Fourth Proportional to 4,448.12, 6,139.70 and 2,768.68

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Solution

The fourth proportional to 4,448.12, 6,139.70 and 2,768.68 is: 3,821.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,448.12 : 6,139.70 = 2,768.68 : x
  2. Step 2: Convert to fraction form
    4,448.12/6,139.70 = 2,768.68/x
  3. Step 3: Cross multiply
    4,448.12x = 6,139.70 × 2,768.68
  4. Step 4: Simplify right side
    4,448.12x = 16,998,868.81
  5. Step 5: Solve for x
    x = 16,998,868.81/4,448.12
  6. Step 6: Final answer
    x = 3,821.59

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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.