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Finding the Fourth Proportional to 6,888.82, 10,333.70 and 1,958.84

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Solution

The fourth proportional to 6,888.82, 10,333.70 and 1,958.84 is: 2,938.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,888.82 : 10,333.70 = 1,958.84 : x
  2. Step 2: Convert to fraction form
    6,888.82/10,333.70 = 1,958.84/x
  3. Step 3: Cross multiply
    6,888.82x = 10,333.70 × 1,958.84
  4. Step 4: Simplify right side
    6,888.82x = 20,242,055.11
  5. Step 5: Solve for x
    x = 20,242,055.11/6,888.82
  6. Step 6: Final answer
    x = 2,938.39

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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.