Home / 5,279-7,918.44-4,958.24

Finding the Fourth Proportional to 5,279, 7,918.44 and 4,958.24

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Solution

The fourth proportional to 5,279, 7,918.44 and 4,958.24 is: 7,437.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,279 : 7,918.44 = 4,958.24 : x
  2. Step 2: Convert to fraction form
    5,279/7,918.44 = 4,958.24/x
  3. Step 3: Cross multiply
    5,279x = 7,918.44 × 4,958.24
  4. Step 4: Simplify right side
    5,279x = 39,261,525.95
  5. Step 5: Solve for x
    x = 39,261,525.95/5,279
  6. Step 6: Final answer
    x = 7,437.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.