Home / 5,351.06-7,378.79-3,674.90

Finding the Fourth Proportional to 5,351.06, 7,378.79 and 3,674.90

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Solution

The fourth proportional to 5,351.06, 7,378.79 and 3,674.90 is: 5,067.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,351.06 : 7,378.79 = 3,674.90 : x
  2. Step 2: Convert to fraction form
    5,351.06/7,378.79 = 3,674.90/x
  3. Step 3: Cross multiply
    5,351.06x = 7,378.79 × 3,674.90
  4. Step 4: Simplify right side
    5,351.06x = 27,116,260.10
  5. Step 5: Solve for x
    x = 27,116,260.10/5,351.06
  6. Step 6: Final answer
    x = 5,067.46

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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.