Home / 6,763.20-10,140.84-2,379.84

Finding the Fourth Proportional to 6,763.20, 10,140.84 and 2,379.84

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Solution

The fourth proportional to 6,763.20, 10,140.84 and 2,379.84 is: 3,568.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,763.20 : 10,140.84 = 2,379.84 : x
  2. Step 2: Convert to fraction form
    6,763.20/10,140.84 = 2,379.84/x
  3. Step 3: Cross multiply
    6,763.20x = 10,140.84 × 2,379.84
  4. Step 4: Simplify right side
    6,763.20x = 24,133,576.67
  5. Step 5: Solve for x
    x = 24,133,576.67/6,763.20
  6. Step 6: Final answer
    x = 3,568.37

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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.