Home / 6,908.21-10,360.81-1,976.52

Finding the Fourth Proportional to 6,908.21, 10,360.81 and 1,976.52

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Solution

The fourth proportional to 6,908.21, 10,360.81 and 1,976.52 is: 2,964.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,908.21 : 10,360.81 = 1,976.52 : x
  2. Step 2: Convert to fraction form
    6,908.21/10,360.81 = 1,976.52/x
  3. Step 3: Cross multiply
    6,908.21x = 10,360.81 × 1,976.52
  4. Step 4: Simplify right side
    6,908.21x = 20,478,348.18
  5. Step 5: Solve for x
    x = 20,478,348.18/6,908.21
  6. Step 6: Final answer
    x = 2,964.35

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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.