Home / 6,891.49-10,335.67-1,961.02

Finding the Fourth Proportional to 6,891.49, 10,335.67 and 1,961.02

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Solution

The fourth proportional to 6,891.49, 10,335.67 and 1,961.02 is: 2,941.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,891.49 : 10,335.67 = 1,961.02 : x
  2. Step 2: Convert to fraction form
    6,891.49/10,335.67 = 1,961.02/x
  3. Step 3: Cross multiply
    6,891.49x = 10,335.67 × 1,961.02
  4. Step 4: Simplify right side
    6,891.49x = 20,268,455.58
  5. Step 5: Solve for x
    x = 20,268,455.58/6,891.49
  6. Step 6: Final answer
    x = 2,941.08

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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.