Home / 7,923.76-11,889.74-3,484.54

Finding the Fourth Proportional to 7,923.76, 11,889.74 and 3,484.54

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Solution

The fourth proportional to 7,923.76, 11,889.74 and 3,484.54 is: 5,228.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,923.76 : 11,889.74 = 3,484.54 : x
  2. Step 2: Convert to fraction form
    7,923.76/11,889.74 = 3,484.54/x
  3. Step 3: Cross multiply
    7,923.76x = 11,889.74 × 3,484.54
  4. Step 4: Simplify right side
    7,923.76x = 41,430,274.62
  5. Step 5: Solve for x
    x = 41,430,274.62/7,923.76
  6. Step 6: Final answer
    x = 5,228.61

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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.