Home / 4,620.12-6,375.78-2,757

Finding the Fourth Proportional to 4,620.12, 6,375.78 and 2,757

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Solution

The fourth proportional to 4,620.12, 6,375.78 and 2,757 is: 3,804.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,620.12 : 6,375.78 = 2,757 : x
  2. Step 2: Convert to fraction form
    4,620.12/6,375.78 = 2,757/x
  3. Step 3: Cross multiply
    4,620.12x = 6,375.78 × 2,757
  4. Step 4: Simplify right side
    4,620.12x = 17,578,025.46
  5. Step 5: Solve for x
    x = 17,578,025.46/4,620.12
  6. Step 6: Final answer
    x = 3,804.67

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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.