Home / 5,153.98-7,112.50-2,796.12

Finding the Fourth Proportional to 5,153.98, 7,112.50 and 2,796.12

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Solution

The fourth proportional to 5,153.98, 7,112.50 and 2,796.12 is: 3,858.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,153.98 : 7,112.50 = 2,796.12 : x
  2. Step 2: Convert to fraction form
    5,153.98/7,112.50 = 2,796.12/x
  3. Step 3: Cross multiply
    5,153.98x = 7,112.50 × 2,796.12
  4. Step 4: Simplify right side
    5,153.98x = 19,887,367.94
  5. Step 5: Solve for x
    x = 19,887,367.94/5,153.98
  6. Step 6: Final answer
    x = 3,858.65

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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.