Home / 6,429.21-9,644.89-2,048.01

Finding the Fourth Proportional to 6,429.21, 9,644.89 and 2,048.01

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Solution

The fourth proportional to 6,429.21, 9,644.89 and 2,048.01 is: 3,072.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,429.21 : 9,644.89 = 2,048.01 : x
  2. Step 2: Convert to fraction form
    6,429.21/9,644.89 = 2,048.01/x
  3. Step 3: Cross multiply
    6,429.21x = 9,644.89 × 2,048.01
  4. Step 4: Simplify right side
    6,429.21x = 19,752,831.17
  5. Step 5: Solve for x
    x = 19,752,831.17/6,429.21
  6. Step 6: Final answer
    x = 3,072.36

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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.