Home / 4,470.80-6,699.60-3,240.80

Finding the Fourth Proportional to 4,470.80, 6,699.60 and 3,240.80

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Solution

The fourth proportional to 4,470.80, 6,699.60 and 3,240.80 is: 4,856.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,470.80 : 6,699.60 = 3,240.80 : x
  2. Step 2: Convert to fraction form
    4,470.80/6,699.60 = 3,240.80/x
  3. Step 3: Cross multiply
    4,470.80x = 6,699.60 × 3,240.80
  4. Step 4: Simplify right side
    4,470.80x = 21,712,063.68
  5. Step 5: Solve for x
    x = 21,712,063.68/4,470.80
  6. Step 6: Final answer
    x = 4,856.42

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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.