Home / 6,434.10-9,661.62-3,984.54

Finding the Fourth Proportional to 6,434.10, 9,661.62 and 3,984.54

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Solution

The fourth proportional to 6,434.10, 9,661.62 and 3,984.54 is: 5,983.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,434.10 : 9,661.62 = 3,984.54 : x
  2. Step 2: Convert to fraction form
    6,434.10/9,661.62 = 3,984.54/x
  3. Step 3: Cross multiply
    6,434.10x = 9,661.62 × 3,984.54
  4. Step 4: Simplify right side
    6,434.10x = 38,497,111.35
  5. Step 5: Solve for x
    x = 38,497,111.35/6,434.10
  6. Step 6: Final answer
    x = 5,983.29

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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.