Home / 4,944.05-6,822.95-2,819.90

Finding the Fourth Proportional to 4,944.05, 6,822.95 and 2,819.90

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Solution

The fourth proportional to 4,944.05, 6,822.95 and 2,819.90 is: 3,891.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,944.05 : 6,822.95 = 2,819.90 : x
  2. Step 2: Convert to fraction form
    4,944.05/6,822.95 = 2,819.90/x
  3. Step 3: Cross multiply
    4,944.05x = 6,822.95 × 2,819.90
  4. Step 4: Simplify right side
    4,944.05x = 19,240,009.64
  5. Step 5: Solve for x
    x = 19,240,009.64/4,944.05
  6. Step 6: Final answer
    x = 3,891.55

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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.