Home / 5,283.19-7,290.89-2,893.12

Finding the Fourth Proportional to 5,283.19, 7,290.89 and 2,893.12

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Solution

The fourth proportional to 5,283.19, 7,290.89 and 2,893.12 is: 3,992.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,283.19 : 7,290.89 = 2,893.12 : x
  2. Step 2: Convert to fraction form
    5,283.19/7,290.89 = 2,893.12/x
  3. Step 3: Cross multiply
    5,283.19x = 7,290.89 × 2,893.12
  4. Step 4: Simplify right side
    5,283.19x = 21,093,419.68
  5. Step 5: Solve for x
    x = 21,093,419.68/5,283.19
  6. Step 6: Final answer
    x = 3,992.55

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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.