Home / 6,607.69-9,912.45-2,226.40

Finding the Fourth Proportional to 6,607.69, 9,912.45 and 2,226.40

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Solution

The fourth proportional to 6,607.69, 9,912.45 and 2,226.40 is: 3,339.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,607.69 : 9,912.45 = 2,226.40 : x
  2. Step 2: Convert to fraction form
    6,607.69/9,912.45 = 2,226.40/x
  3. Step 3: Cross multiply
    6,607.69x = 9,912.45 × 2,226.40
  4. Step 4: Simplify right side
    6,607.69x = 22,069,078.68
  5. Step 5: Solve for x
    x = 22,069,078.68/6,607.69
  6. Step 6: Final answer
    x = 3,339.91

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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.