Home / 4,909.31-6,775.09-2,813.44

Finding the Fourth Proportional to 4,909.31, 6,775.09 and 2,813.44

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Solution

The fourth proportional to 4,909.31, 6,775.09 and 2,813.44 is: 3,882.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,909.31 : 6,775.09 = 2,813.44 : x
  2. Step 2: Convert to fraction form
    4,909.31/6,775.09 = 2,813.44/x
  3. Step 3: Cross multiply
    4,909.31x = 6,775.09 × 2,813.44
  4. Step 4: Simplify right side
    4,909.31x = 19,061,295.14
  5. Step 5: Solve for x
    x = 19,061,295.14/4,909.31
  6. Step 6: Final answer
    x = 3,882.68

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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.