Home / 6,779.82-9,351.32-6,222.09

Finding the Fourth Proportional to 6,779.82, 9,351.32 and 6,222.09

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Solution

The fourth proportional to 6,779.82, 9,351.32 and 6,222.09 is: 8,582.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,779.82 : 9,351.32 = 6,222.09 : x
  2. Step 2: Convert to fraction form
    6,779.82/9,351.32 = 6,222.09/x
  3. Step 3: Cross multiply
    6,779.82x = 9,351.32 × 6,222.09
  4. Step 4: Simplify right side
    6,779.82x = 58,184,754.66
  5. Step 5: Solve for x
    x = 58,184,754.66/6,779.82
  6. Step 6: Final answer
    x = 8,582.05

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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.