Home / 5,280.48-7,286.76-3,042.54

Finding the Fourth Proportional to 5,280.48, 7,286.76 and 3,042.54

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Solution

The fourth proportional to 5,280.48, 7,286.76 and 3,042.54 is: 4,198.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,280.48 : 7,286.76 = 3,042.54 : x
  2. Step 2: Convert to fraction form
    5,280.48/7,286.76 = 3,042.54/x
  3. Step 3: Cross multiply
    5,280.48x = 7,286.76 × 3,042.54
  4. Step 4: Simplify right side
    5,280.48x = 22,170,258.77
  5. Step 5: Solve for x
    x = 22,170,258.77/5,280.48
  6. Step 6: Final answer
    x = 4,198.53

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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.