Home / 4,977.39-6,868.42-2,852.90

Finding the Fourth Proportional to 4,977.39, 6,868.42 and 2,852.90

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Solution

The fourth proportional to 4,977.39, 6,868.42 and 2,852.90 is: 3,936.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,977.39 : 6,868.42 = 2,852.90 : x
  2. Step 2: Convert to fraction form
    4,977.39/6,868.42 = 2,852.90/x
  3. Step 3: Cross multiply
    4,977.39x = 6,868.42 × 2,852.90
  4. Step 4: Simplify right side
    4,977.39x = 19,594,873.94
  5. Step 5: Solve for x
    x = 19,594,873.94/4,977.39
  6. Step 6: Final answer
    x = 3,936.78

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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.