Home / 6,908.88-10,355.63-2,747.78

Finding the Fourth Proportional to 6,908.88, 10,355.63 and 2,747.78

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Solution

The fourth proportional to 6,908.88, 10,355.63 and 2,747.78 is: 4,118.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,908.88 : 10,355.63 = 2,747.78 : x
  2. Step 2: Convert to fraction form
    6,908.88/10,355.63 = 2,747.78/x
  3. Step 3: Cross multiply
    6,908.88x = 10,355.63 × 2,747.78
  4. Step 4: Simplify right side
    6,908.88x = 28,454,927.48
  5. Step 5: Solve for x
    x = 28,454,927.48/6,908.88
  6. Step 6: Final answer
    x = 4,118.60

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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.