Home / 5,279.22-7,918.83-2,359.56

Finding the Fourth Proportional to 5,279.22, 7,918.83 and 2,359.56

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Solution

The fourth proportional to 5,279.22, 7,918.83 and 2,359.56 is: 3,539.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,279.22 : 7,918.83 = 2,359.56 : x
  2. Step 2: Convert to fraction form
    5,279.22/7,918.83 = 2,359.56/x
  3. Step 3: Cross multiply
    5,279.22x = 7,918.83 × 2,359.56
  4. Step 4: Simplify right side
    5,279.22x = 18,684,954.51
  5. Step 5: Solve for x
    x = 18,684,954.51/5,279.22
  6. Step 6: Final answer
    x = 3,539.34

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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.