Home / 4,945.83-6,825.87-2,822.11

Finding the Fourth Proportional to 4,945.83, 6,825.87 and 2,822.11

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Solution

The fourth proportional to 4,945.83, 6,825.87 and 2,822.11 is: 3,894.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,945.83 : 6,825.87 = 2,822.11 : x
  2. Step 2: Convert to fraction form
    4,945.83/6,825.87 = 2,822.11/x
  3. Step 3: Cross multiply
    4,945.83x = 6,825.87 × 2,822.11
  4. Step 4: Simplify right side
    4,945.83x = 19,263,338.92
  5. Step 5: Solve for x
    x = 19,263,338.92/4,945.83
  6. Step 6: Final answer
    x = 3,894.87

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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.