Home / 6,851.53-10,260.73-3,920.95

Finding the Fourth Proportional to 6,851.53, 10,260.73 and 3,920.95

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Solution

The fourth proportional to 6,851.53, 10,260.73 and 3,920.95 is: 5,871.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,851.53 : 10,260.73 = 3,920.95 : x
  2. Step 2: Convert to fraction form
    6,851.53/10,260.73 = 3,920.95/x
  3. Step 3: Cross multiply
    6,851.53x = 10,260.73 × 3,920.95
  4. Step 4: Simplify right side
    6,851.53x = 40,231,809.29
  5. Step 5: Solve for x
    x = 40,231,809.29/6,851.53
  6. Step 6: Final answer
    x = 5,871.95

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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.