Home / 4,977.08-6,868.23-2,738.96

Finding the Fourth Proportional to 4,977.08, 6,868.23 and 2,738.96

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Solution

The fourth proportional to 4,977.08, 6,868.23 and 2,738.96 is: 3,779.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,977.08 : 6,868.23 = 2,738.96 : x
  2. Step 2: Convert to fraction form
    4,977.08/6,868.23 = 2,738.96/x
  3. Step 3: Cross multiply
    4,977.08x = 6,868.23 × 2,738.96
  4. Step 4: Simplify right side
    4,977.08x = 18,811,772.90
  5. Step 5: Solve for x
    x = 18,811,772.90/4,977.08
  6. Step 6: Final answer
    x = 3,779.68

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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.