Home / 4,035.20-6,045.60-3,300.80

Finding the Fourth Proportional to 4,035.20, 6,045.60 and 3,300.80

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Solution

The fourth proportional to 4,035.20, 6,045.60 and 3,300.80 is: 4,945.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,035.20 : 6,045.60 = 3,300.80 : x
  2. Step 2: Convert to fraction form
    4,035.20/6,045.60 = 3,300.80/x
  3. Step 3: Cross multiply
    4,035.20x = 6,045.60 × 3,300.80
  4. Step 4: Simplify right side
    4,035.20x = 19,955,316.48
  5. Step 5: Solve for x
    x = 19,955,316.48/4,035.20
  6. Step 6: Final answer
    x = 4,945.31

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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.