Home / 6,610.25-9,120.67-3,922.27

Finding the Fourth Proportional to 6,610.25, 9,120.67 and 3,922.27

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Solution

The fourth proportional to 6,610.25, 9,120.67 and 3,922.27 is: 5,411.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,610.25 : 9,120.67 = 3,922.27 : x
  2. Step 2: Convert to fraction form
    6,610.25/9,120.67 = 3,922.27/x
  3. Step 3: Cross multiply
    6,610.25x = 9,120.67 × 3,922.27
  4. Step 4: Simplify right side
    6,610.25x = 35,773,697.71
  5. Step 5: Solve for x
    x = 35,773,697.71/6,610.25
  6. Step 6: Final answer
    x = 5,411.85

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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.