Home / 7,209-9,949.41-4,226.02

Finding the Fourth Proportional to 7,209, 9,949.41 and 4,226.02

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Solution

The fourth proportional to 7,209, 9,949.41 and 4,226.02 is: 5,832.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,209 : 9,949.41 = 4,226.02 : x
  2. Step 2: Convert to fraction form
    7,209/9,949.41 = 4,226.02/x
  3. Step 3: Cross multiply
    7,209x = 9,949.41 × 4,226.02
  4. Step 4: Simplify right side
    7,209x = 42,046,405.65
  5. Step 5: Solve for x
    x = 42,046,405.65/7,209
  6. Step 6: Final answer
    x = 5,832.49

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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.