Home / 6,427.26-8,867.61-3,774.78

Finding the Fourth Proportional to 6,427.26, 8,867.61 and 3,774.78

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Solution

The fourth proportional to 6,427.26, 8,867.61 and 3,774.78 is: 5,208.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,427.26 : 8,867.61 = 3,774.78 : x
  2. Step 2: Convert to fraction form
    6,427.26/8,867.61 = 3,774.78/x
  3. Step 3: Cross multiply
    6,427.26x = 8,867.61 × 3,774.78
  4. Step 4: Simplify right side
    6,427.26x = 33,473,276.88
  5. Step 5: Solve for x
    x = 33,473,276.88/6,427.26
  6. Step 6: Final answer
    x = 5,208.02

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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.