Home / 4,272.78-6,409.34-1,351.08

Finding the Fourth Proportional to 4,272.78, 6,409.34 and 1,351.08

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Solution

The fourth proportional to 4,272.78, 6,409.34 and 1,351.08 is: 2,026.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,272.78 : 6,409.34 = 1,351.08 : x
  2. Step 2: Convert to fraction form
    4,272.78/6,409.34 = 1,351.08/x
  3. Step 3: Cross multiply
    4,272.78x = 6,409.34 × 1,351.08
  4. Step 4: Simplify right side
    4,272.78x = 8,659,531.09
  5. Step 5: Solve for x
    x = 8,659,531.09/4,272.78
  6. Step 6: Final answer
    x = 2,026.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.