Home / 8,156.70-11,257.92-5,324.54

Finding the Fourth Proportional to 8,156.70, 11,257.92 and 5,324.54

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Solution

The fourth proportional to 8,156.70, 11,257.92 and 5,324.54 is: 7,348.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,156.70 : 11,257.92 = 5,324.54 : x
  2. Step 2: Convert to fraction form
    8,156.70/11,257.92 = 5,324.54/x
  3. Step 3: Cross multiply
    8,156.70x = 11,257.92 × 5,324.54
  4. Step 4: Simplify right side
    8,156.70x = 59,943,189.07
  5. Step 5: Solve for x
    x = 59,943,189.07/8,156.70
  6. Step 6: Final answer
    x = 7,348.95

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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.