Home / 5,330.45-7,355.91-2,940.64

Finding the Fourth Proportional to 5,330.45, 7,355.91 and 2,940.64

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Solution

The fourth proportional to 5,330.45, 7,355.91 and 2,940.64 is: 4,058.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,330.45 : 7,355.91 = 2,940.64 : x
  2. Step 2: Convert to fraction form
    5,330.45/7,355.91 = 2,940.64/x
  3. Step 3: Cross multiply
    5,330.45x = 7,355.91 × 2,940.64
  4. Step 4: Simplify right side
    5,330.45x = 21,631,083.18
  5. Step 5: Solve for x
    x = 21,631,083.18/5,330.45
  6. Step 6: Final answer
    x = 4,058.03

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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.