Home / 7,429.08-11,143.80-2,235

Finding the Fourth Proportional to 7,429.08, 11,143.80 and 2,235

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Solution

The fourth proportional to 7,429.08, 11,143.80 and 2,235 is: 3,352.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,429.08 : 11,143.80 = 2,235 : x
  2. Step 2: Convert to fraction form
    7,429.08/11,143.80 = 2,235/x
  3. Step 3: Cross multiply
    7,429.08x = 11,143.80 × 2,235
  4. Step 4: Simplify right side
    7,429.08x = 24,906,393
  5. Step 5: Solve for x
    x = 24,906,393/7,429.08
  6. Step 6: Final answer
    x = 3,352.55

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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.