Home / 4,477.21-6,721.92-3,087.11

Finding the Fourth Proportional to 4,477.21, 6,721.92 and 3,087.11

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Solution

The fourth proportional to 4,477.21, 6,721.92 and 3,087.11 is: 4,634.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,477.21 : 6,721.92 = 3,087.11 : x
  2. Step 2: Convert to fraction form
    4,477.21/6,721.92 = 3,087.11/x
  3. Step 3: Cross multiply
    4,477.21x = 6,721.92 × 3,087.11
  4. Step 4: Simplify right side
    4,477.21x = 20,751,323.26
  5. Step 5: Solve for x
    x = 20,751,323.26/4,477.21
  6. Step 6: Final answer
    x = 4,634.88

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1.5x scale

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.