Home / 5,081.26-7,014.53-3,822.79

Finding the Fourth Proportional to 5,081.26, 7,014.53 and 3,822.79

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Solution

The fourth proportional to 5,081.26, 7,014.53 and 3,822.79 is: 5,277.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,081.26 : 7,014.53 = 3,822.79 : x
  2. Step 2: Convert to fraction form
    5,081.26/7,014.53 = 3,822.79/x
  3. Step 3: Cross multiply
    5,081.26x = 7,014.53 × 3,822.79
  4. Step 4: Simplify right side
    5,081.26x = 26,815,075.14
  5. Step 5: Solve for x
    x = 26,815,075.14/5,081.26
  6. Step 6: Final answer
    x = 5,277.25

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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.