Home / 5,005.99-6,908.34-2,768.05

Finding the Fourth Proportional to 5,005.99, 6,908.34 and 2,768.05

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Solution

The fourth proportional to 5,005.99, 6,908.34 and 2,768.05 is: 3,819.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,005.99 : 6,908.34 = 2,768.05 : x
  2. Step 2: Convert to fraction form
    5,005.99/6,908.34 = 2,768.05/x
  3. Step 3: Cross multiply
    5,005.99x = 6,908.34 × 2,768.05
  4. Step 4: Simplify right side
    5,005.99x = 19,122,630.54
  5. Step 5: Solve for x
    x = 19,122,630.54/5,005.99
  6. Step 6: Final answer
    x = 3,819.95

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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.