Home / 4,896.80-7,334.40-2,945.60

Finding the Fourth Proportional to 4,896.80, 7,334.40 and 2,945.60

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Solution

The fourth proportional to 4,896.80, 7,334.40 and 2,945.60 is: 4,411.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,896.80 : 7,334.40 = 2,945.60 : x
  2. Step 2: Convert to fraction form
    4,896.80/7,334.40 = 2,945.60/x
  3. Step 3: Cross multiply
    4,896.80x = 7,334.40 × 2,945.60
  4. Step 4: Simplify right side
    4,896.80x = 21,604,208.64
  5. Step 5: Solve for x
    x = 21,604,208.64/4,896.80
  6. Step 6: Final answer
    x = 4,411.90

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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.