Home / 4,885-6,739.32-2,894.84

Finding the Fourth Proportional to 4,885, 6,739.32 and 2,894.84

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Solution

The fourth proportional to 4,885, 6,739.32 and 2,894.84 is: 3,993.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,885 : 6,739.32 = 2,894.84 : x
  2. Step 2: Convert to fraction form
    4,885/6,739.32 = 2,894.84/x
  3. Step 3: Cross multiply
    4,885x = 6,739.32 × 2,894.84
  4. Step 4: Simplify right side
    4,885x = 19,509,253.11
  5. Step 5: Solve for x
    x = 19,509,253.11/4,885
  6. Step 6: Final answer
    x = 3,993.71

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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.