Home / 5,104-7,042.30-2,865.67

Finding the Fourth Proportional to 5,104, 7,042.30 and 2,865.67

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Solution

The fourth proportional to 5,104, 7,042.30 and 2,865.67 is: 3,953.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,104 : 7,042.30 = 2,865.67 : x
  2. Step 2: Convert to fraction form
    5,104/7,042.30 = 2,865.67/x
  3. Step 3: Cross multiply
    5,104x = 7,042.30 × 2,865.67
  4. Step 4: Simplify right side
    5,104x = 20,180,907.84
  5. Step 5: Solve for x
    x = 20,180,907.84/5,104
  6. Step 6: Final answer
    x = 3,953.94

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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.