Home / 6,949-10,421.92-2,017.56

Finding the Fourth Proportional to 6,949, 10,421.92 and 2,017.56

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Solution

The fourth proportional to 6,949, 10,421.92 and 2,017.56 is: 3,025.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,949 : 10,421.92 = 2,017.56 : x
  2. Step 2: Convert to fraction form
    6,949/10,421.92 = 2,017.56/x
  3. Step 3: Cross multiply
    6,949x = 10,421.92 × 2,017.56
  4. Step 4: Simplify right side
    6,949x = 21,026,848.92
  5. Step 5: Solve for x
    x = 21,026,848.92/6,949
  6. Step 6: Final answer
    x = 3,025.88

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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.