Home / 5,284.13-7,292.04-2,894.09

Finding the Fourth Proportional to 5,284.13, 7,292.04 and 2,894.09

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Solution

The fourth proportional to 5,284.13, 7,292.04 and 2,894.09 is: 3,993.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,284.13 : 7,292.04 = 2,894.09 : x
  2. Step 2: Convert to fraction form
    5,284.13/7,292.04 = 2,894.09/x
  3. Step 3: Cross multiply
    5,284.13x = 7,292.04 × 2,894.09
  4. Step 4: Simplify right side
    5,284.13x = 21,103,783.58
  5. Step 5: Solve for x
    x = 21,103,783.58/5,284.13
  6. Step 6: Final answer
    x = 3,993.81

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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.