Home / 8,427.44-11,629.92-4,650.74

Finding the Fourth Proportional to 8,427.44, 11,629.92 and 4,650.74

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Solution

The fourth proportional to 8,427.44, 11,629.92 and 4,650.74 is: 6,418.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,427.44 : 11,629.92 = 4,650.74 : x
  2. Step 2: Convert to fraction form
    8,427.44/11,629.92 = 4,650.74/x
  3. Step 3: Cross multiply
    8,427.44x = 11,629.92 × 4,650.74
  4. Step 4: Simplify right side
    8,427.44x = 54,087,734.14
  5. Step 5: Solve for x
    x = 54,087,734.14/8,427.44
  6. Step 6: Final answer
    x = 6,418.05

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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.