Home / 4,977.22-6,868.98-2,739.52

Finding the Fourth Proportional to 4,977.22, 6,868.98 and 2,739.52

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Solution

The fourth proportional to 4,977.22, 6,868.98 and 2,739.52 is: 3,780.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,977.22 : 6,868.98 = 2,739.52 : x
  2. Step 2: Convert to fraction form
    4,977.22/6,868.98 = 2,739.52/x
  3. Step 3: Cross multiply
    4,977.22x = 6,868.98 × 2,739.52
  4. Step 4: Simplify right side
    4,977.22x = 18,817,660.05
  5. Step 5: Solve for x
    x = 18,817,660.05/4,977.22
  6. Step 6: Final answer
    x = 3,780.76

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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.