Home / 4,077.12-5,627.04-2,682.72

Finding the Fourth Proportional to 4,077.12, 5,627.04 and 2,682.72

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Solution

The fourth proportional to 4,077.12, 5,627.04 and 2,682.72 is: 3,702.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,077.12 : 5,627.04 = 2,682.72 : x
  2. Step 2: Convert to fraction form
    4,077.12/5,627.04 = 2,682.72/x
  3. Step 3: Cross multiply
    4,077.12x = 5,627.04 × 2,682.72
  4. Step 4: Simplify right side
    4,077.12x = 15,095,772.75
  5. Step 5: Solve for x
    x = 15,095,772.75/4,077.12
  6. Step 6: Final answer
    x = 3,702.56

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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.