Home / 6,951.84-10,428.34-2,021.48

Finding the Fourth Proportional to 6,951.84, 10,428.34 and 2,021.48

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Solution

The fourth proportional to 6,951.84, 10,428.34 and 2,021.48 is: 3,032.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,951.84 : 10,428.34 = 2,021.48 : x
  2. Step 2: Convert to fraction form
    6,951.84/10,428.34 = 2,021.48/x
  3. Step 3: Cross multiply
    6,951.84x = 10,428.34 × 2,021.48
  4. Step 4: Simplify right side
    6,951.84x = 21,080,680.74
  5. Step 5: Solve for x
    x = 21,080,680.74/6,951.84
  6. Step 6: Final answer
    x = 3,032.39

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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.