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Finding the Fourth Proportional to 6,880.74, 10,321.11 and 1,950.43

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Solution

The fourth proportional to 6,880.74, 10,321.11 and 1,950.43 is: 2,925.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,880.74 : 10,321.11 = 1,950.43 : x
  2. Step 2: Convert to fraction form
    6,880.74/10,321.11 = 1,950.43/x
  3. Step 3: Cross multiply
    6,880.74x = 10,321.11 × 1,950.43
  4. Step 4: Simplify right side
    6,880.74x = 20,130,550.97
  5. Step 5: Solve for x
    x = 20,130,550.97/6,880.74
  6. Step 6: Final answer
    x = 2,925.64

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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.