Home / 4,448.38-6,139.98-2,768.78

Finding the Fourth Proportional to 4,448.38, 6,139.98 and 2,768.78

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Solution

The fourth proportional to 4,448.38, 6,139.98 and 2,768.78 is: 3,821.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,448.38 : 6,139.98 = 2,768.78 : x
  2. Step 2: Convert to fraction form
    4,448.38/6,139.98 = 2,768.78/x
  3. Step 3: Cross multiply
    4,448.38x = 6,139.98 × 2,768.78
  4. Step 4: Simplify right side
    4,448.38x = 17,000,253.82
  5. Step 5: Solve for x
    x = 17,000,253.82/4,448.38
  6. Step 6: Final answer
    x = 3,821.67

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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.