Home / 6,610.28-9,915.69-2,228.18

Finding the Fourth Proportional to 6,610.28, 9,915.69 and 2,228.18

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Solution

The fourth proportional to 6,610.28, 9,915.69 and 2,228.18 is: 3,342.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,610.28 : 9,915.69 = 2,228.18 : x
  2. Step 2: Convert to fraction form
    6,610.28/9,915.69 = 2,228.18/x
  3. Step 3: Cross multiply
    6,610.28x = 9,915.69 × 2,228.18
  4. Step 4: Simplify right side
    6,610.28x = 22,093,942.14
  5. Step 5: Solve for x
    x = 22,093,942.14/6,610.28
  6. Step 6: Final answer
    x = 3,342.36

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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.