Home / 4,908.75-6,774.08-2,814.09

Finding the Fourth Proportional to 4,908.75, 6,774.08 and 2,814.09

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Solution

The fourth proportional to 4,908.75, 6,774.08 and 2,814.09 is: 3,883.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,908.75 : 6,774.08 = 2,814.09 : x
  2. Step 2: Convert to fraction form
    4,908.75/6,774.08 = 2,814.09/x
  3. Step 3: Cross multiply
    4,908.75x = 6,774.08 × 2,814.09
  4. Step 4: Simplify right side
    4,908.75x = 19,062,856.72
  5. Step 5: Solve for x
    x = 19,062,856.72/4,908.75
  6. Step 6: Final answer
    x = 3,883.44

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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.