Home / 6,779.81-10,161.90-2,617.98

Finding the Fourth Proportional to 6,779.81, 10,161.90 and 2,617.98

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Solution

The fourth proportional to 6,779.81, 10,161.90 and 2,617.98 is: 3,923.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,779.81 : 10,161.90 = 2,617.98 : x
  2. Step 2: Convert to fraction form
    6,779.81/10,161.90 = 2,617.98/x
  3. Step 3: Cross multiply
    6,779.81x = 10,161.90 × 2,617.98
  4. Step 4: Simplify right side
    6,779.81x = 26,603,650.96
  5. Step 5: Solve for x
    x = 26,603,650.96/6,779.81
  6. Step 6: Final answer
    x = 3,923.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.