Home / 6,778.16-9,351.03-4,420.22

Finding the Fourth Proportional to 6,778.16, 9,351.03 and 4,420.22

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Solution

The fourth proportional to 6,778.16, 9,351.03 and 4,420.22 is: 6,098.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,778.16 : 9,351.03 = 4,420.22 : x
  2. Step 2: Convert to fraction form
    6,778.16/9,351.03 = 4,420.22/x
  3. Step 3: Cross multiply
    6,778.16x = 9,351.03 × 4,420.22
  4. Step 4: Simplify right side
    6,778.16x = 41,333,609.83
  5. Step 5: Solve for x
    x = 41,333,609.83/6,778.16
  6. Step 6: Final answer
    x = 6,098.06

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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.