Home / 6,874.21-10,310.02-1,943.81

Finding the Fourth Proportional to 6,874.21, 10,310.02 and 1,943.81

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Solution

The fourth proportional to 6,874.21, 10,310.02 and 1,943.81 is: 2,915.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,874.21 : 10,310.02 = 1,943.81 : x
  2. Step 2: Convert to fraction form
    6,874.21/10,310.02 = 1,943.81/x
  3. Step 3: Cross multiply
    6,874.21x = 10,310.02 × 1,943.81
  4. Step 4: Simplify right side
    6,874.21x = 20,040,719.98
  5. Step 5: Solve for x
    x = 20,040,719.98/6,874.21
  6. Step 6: Final answer
    x = 2,915.35

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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.