Home / 6,443.78-9,663.68-2,060.06

Finding the Fourth Proportional to 6,443.78, 9,663.68 and 2,060.06

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Solution

The fourth proportional to 6,443.78, 9,663.68 and 2,060.06 is: 3,089.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,443.78 : 9,663.68 = 2,060.06 : x
  2. Step 2: Convert to fraction form
    6,443.78/9,663.68 = 2,060.06/x
  3. Step 3: Cross multiply
    6,443.78x = 9,663.68 × 2,060.06
  4. Step 4: Simplify right side
    6,443.78x = 19,907,717.45
  5. Step 5: Solve for x
    x = 19,907,717.45/6,443.78
  6. Step 6: Final answer
    x = 3,089.45

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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.