Home / 6,828.28-10,242.87-2,148.47

Finding the Fourth Proportional to 6,828.28, 10,242.87 and 2,148.47

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Solution

The fourth proportional to 6,828.28, 10,242.87 and 2,148.47 is: 3,222.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,828.28 : 10,242.87 = 2,148.47 : x
  2. Step 2: Convert to fraction form
    6,828.28/10,242.87 = 2,148.47/x
  3. Step 3: Cross multiply
    6,828.28x = 10,242.87 × 2,148.47
  4. Step 4: Simplify right side
    6,828.28x = 22,006,473.87
  5. Step 5: Solve for x
    x = 22,006,473.87/6,828.28
  6. Step 6: Final answer
    x = 3,222.84

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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.