Home / 5,290.91-7,297.97-3,399.51

Finding the Fourth Proportional to 5,290.91, 7,297.97 and 3,399.51

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Solution

The fourth proportional to 5,290.91, 7,297.97 and 3,399.51 is: 4,689.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,290.91 : 7,297.97 = 3,399.51 : x
  2. Step 2: Convert to fraction form
    5,290.91/7,297.97 = 3,399.51/x
  3. Step 3: Cross multiply
    5,290.91x = 7,297.97 × 3,399.51
  4. Step 4: Simplify right side
    5,290.91x = 24,809,551.49
  5. Step 5: Solve for x
    x = 24,809,551.49/5,290.91
  6. Step 6: Final answer
    x = 4,689.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.