Home / 6,419.24-9,630.38-2,721.69

Finding the Fourth Proportional to 6,419.24, 9,630.38 and 2,721.69

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Solution

The fourth proportional to 6,419.24, 9,630.38 and 2,721.69 is: 4,083.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,419.24 : 9,630.38 = 2,721.69 : x
  2. Step 2: Convert to fraction form
    6,419.24/9,630.38 = 2,721.69/x
  3. Step 3: Cross multiply
    6,419.24x = 9,630.38 × 2,721.69
  4. Step 4: Simplify right side
    6,419.24x = 26,210,908.94
  5. Step 5: Solve for x
    x = 26,210,908.94/6,419.24
  6. Step 6: Final answer
    x = 4,083.18

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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.