Home / 6,828.21-10,244.76-2,880.45

Finding the Fourth Proportional to 6,828.21, 10,244.76 and 2,880.45

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Solution

The fourth proportional to 6,828.21, 10,244.76 and 2,880.45 is: 4,321.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,828.21 : 10,244.76 = 2,880.45 : x
  2. Step 2: Convert to fraction form
    6,828.21/10,244.76 = 2,880.45/x
  3. Step 3: Cross multiply
    6,828.21x = 10,244.76 × 2,880.45
  4. Step 4: Simplify right side
    6,828.21x = 29,509,518.94
  5. Step 5: Solve for x
    x = 29,509,518.94/6,828.21
  6. Step 6: Final answer
    x = 4,321.71

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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.