Home / 4,852.78-7,279.83-2,219.67

Finding the Fourth Proportional to 4,852.78, 7,279.83 and 2,219.67

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Solution

The fourth proportional to 4,852.78, 7,279.83 and 2,219.67 is: 3,329.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,852.78 : 7,279.83 = 2,219.67 : x
  2. Step 2: Convert to fraction form
    4,852.78/7,279.83 = 2,219.67/x
  3. Step 3: Cross multiply
    4,852.78x = 7,279.83 × 2,219.67
  4. Step 4: Simplify right side
    4,852.78x = 16,158,820.26
  5. Step 5: Solve for x
    x = 16,158,820.26/4,852.78
  6. Step 6: Final answer
    x = 3,329.81

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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.