Home / 4,481.60-6,721.86-1,707.08

Finding the Fourth Proportional to 4,481.60, 6,721.86 and 1,707.08

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Solution

The fourth proportional to 4,481.60, 6,721.86 and 1,707.08 is: 2,560.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,481.60 : 6,721.86 = 1,707.08 : x
  2. Step 2: Convert to fraction form
    4,481.60/6,721.86 = 1,707.08/x
  3. Step 3: Cross multiply
    4,481.60x = 6,721.86 × 1,707.08
  4. Step 4: Simplify right side
    4,481.60x = 11,474,752.77
  5. Step 5: Solve for x
    x = 11,474,752.77/4,481.60
  6. Step 6: Final answer
    x = 2,560.41

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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.