Home / 6,888.49-10,331.18-1,958.02

Finding the Fourth Proportional to 6,888.49, 10,331.18 and 1,958.02

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Solution

The fourth proportional to 6,888.49, 10,331.18 and 1,958.02 is: 2,936.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,888.49 : 10,331.18 = 1,958.02 : x
  2. Step 2: Convert to fraction form
    6,888.49/10,331.18 = 1,958.02/x
  3. Step 3: Cross multiply
    6,888.49x = 10,331.18 × 1,958.02
  4. Step 4: Simplify right side
    6,888.49x = 20,228,595.62
  5. Step 5: Solve for x
    x = 20,228,595.62/6,888.49
  6. Step 6: Final answer
    x = 2,936.58

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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.