Home / 4,042.56-6,062.76-1,120.64

Finding the Fourth Proportional to 4,042.56, 6,062.76 and 1,120.64

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Solution

The fourth proportional to 4,042.56, 6,062.76 and 1,120.64 is: 1,680.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,042.56 : 6,062.76 = 1,120.64 : x
  2. Step 2: Convert to fraction form
    4,042.56/6,062.76 = 1,120.64/x
  3. Step 3: Cross multiply
    4,042.56x = 6,062.76 × 1,120.64
  4. Step 4: Simplify right side
    4,042.56x = 6,794,171.37
  5. Step 5: Solve for x
    x = 6,794,171.37/4,042.56
  6. Step 6: Final answer
    x = 1,680.66

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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.