Home / 4,249.01-6,398.98-3,870.25

Finding the Fourth Proportional to 4,249.01, 6,398.98 and 3,870.25

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Solution

The fourth proportional to 4,249.01, 6,398.98 and 3,870.25 is: 5,828.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,249.01 : 6,398.98 = 3,870.25 : x
  2. Step 2: Convert to fraction form
    4,249.01/6,398.98 = 3,870.25/x
  3. Step 3: Cross multiply
    4,249.01x = 6,398.98 × 3,870.25
  4. Step 4: Simplify right side
    4,249.01x = 24,765,626.67
  5. Step 5: Solve for x
    x = 24,765,626.67/4,249.01
  6. Step 6: Final answer
    x = 5,828.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.