Home / 7,435.91-11,143.51-4,940.03

Finding the Fourth Proportional to 7,435.91, 11,143.51 and 4,940.03

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Solution

The fourth proportional to 7,435.91, 11,143.51 and 4,940.03 is: 7,403.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,435.91 : 11,143.51 = 4,940.03 : x
  2. Step 2: Convert to fraction form
    7,435.91/11,143.51 = 4,940.03/x
  3. Step 3: Cross multiply
    7,435.91x = 11,143.51 × 4,940.03
  4. Step 4: Simplify right side
    7,435.91x = 55,049,205.64
  5. Step 5: Solve for x
    x = 55,049,205.64/7,435.91
  6. Step 6: Final answer
    x = 7,403.16

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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.