Home / 4,481.04-6,722.40-1,360.80

Finding the Fourth Proportional to 4,481.04, 6,722.40 and 1,360.80

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Solution

The fourth proportional to 4,481.04, 6,722.40 and 1,360.80 is: 2,041.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,481.04 : 6,722.40 = 1,360.80 : x
  2. Step 2: Convert to fraction form
    4,481.04/6,722.40 = 1,360.80/x
  3. Step 3: Cross multiply
    4,481.04x = 6,722.40 × 1,360.80
  4. Step 4: Simplify right side
    4,481.04x = 9,147,841.92
  5. Step 5: Solve for x
    x = 9,147,841.92/4,481.04
  6. Step 6: Final answer
    x = 2,041.46

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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.