Home / 5,083.90-7,015.46-2,845.40

Finding the Fourth Proportional to 5,083.90, 7,015.46 and 2,845.40

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Solution

The fourth proportional to 5,083.90, 7,015.46 and 2,845.40 is: 3,926.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,083.90 : 7,015.46 = 2,845.40 : x
  2. Step 2: Convert to fraction form
    5,083.90/7,015.46 = 2,845.40/x
  3. Step 3: Cross multiply
    5,083.90x = 7,015.46 × 2,845.40
  4. Step 4: Simplify right side
    5,083.90x = 19,961,796.05
  5. Step 5: Solve for x
    x = 19,961,796.05/5,083.90
  6. Step 6: Final answer
    x = 3,926.47

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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.