Home / 4,015.08-5,546.34-3,820.68

Finding the Fourth Proportional to 4,015.08, 5,546.34 and 3,820.68

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Solution

The fourth proportional to 4,015.08, 5,546.34 and 3,820.68 is: 5,277.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,015.08 : 5,546.34 = 3,820.68 : x
  2. Step 2: Convert to fraction form
    4,015.08/5,546.34 = 3,820.68/x
  3. Step 3: Cross multiply
    4,015.08x = 5,546.34 × 3,820.68
  4. Step 4: Simplify right side
    4,015.08x = 21,190,790.31
  5. Step 5: Solve for x
    x = 21,190,790.31/4,015.08
  6. Step 6: Final answer
    x = 5,277.80

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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.