Home / 4,909.26-6,774.78-2,813.52

Finding the Fourth Proportional to 4,909.26, 6,774.78 and 2,813.52

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Solution

The fourth proportional to 4,909.26, 6,774.78 and 2,813.52 is: 3,882.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,909.26 : 6,774.78 = 2,813.52 : x
  2. Step 2: Convert to fraction form
    4,909.26/6,774.78 = 2,813.52/x
  3. Step 3: Cross multiply
    4,909.26x = 6,774.78 × 2,813.52
  4. Step 4: Simplify right side
    4,909.26x = 19,060,979.03
  5. Step 5: Solve for x
    x = 19,060,979.03/4,909.26
  6. Step 6: Final answer
    x = 3,882.66

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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.