Home / 4,909.58-6,774.75-2,813.42

Finding the Fourth Proportional to 4,909.58, 6,774.75 and 2,813.42

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Solution

The fourth proportional to 4,909.58, 6,774.75 and 2,813.42 is: 3,882.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,909.58 : 6,774.75 = 2,813.42 : x
  2. Step 2: Convert to fraction form
    4,909.58/6,774.75 = 2,813.42/x
  3. Step 3: Cross multiply
    4,909.58x = 6,774.75 × 2,813.42
  4. Step 4: Simplify right side
    4,909.58x = 19,060,217.15
  5. Step 5: Solve for x
    x = 19,060,217.15/4,909.58
  6. Step 6: Final answer
    x = 3,882.25

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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.