Home / 4,078.06-5,627.73-2,215.06

Finding the Fourth Proportional to 4,078.06, 5,627.73 and 2,215.06

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Solution

The fourth proportional to 4,078.06, 5,627.73 and 2,215.06 is: 3,056.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,078.06 : 5,627.73 = 2,215.06 : x
  2. Step 2: Convert to fraction form
    4,078.06/5,627.73 = 2,215.06/x
  3. Step 3: Cross multiply
    4,078.06x = 5,627.73 × 2,215.06
  4. Step 4: Simplify right side
    4,078.06x = 12,465,748.54
  5. Step 5: Solve for x
    x = 12,465,748.54/4,078.06
  6. Step 6: Final answer
    x = 3,056.78

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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.