Home / 6,434.93-9,634.19-4,089.12

Finding the Fourth Proportional to 6,434.93, 9,634.19 and 4,089.12

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Solution

The fourth proportional to 6,434.93, 9,634.19 and 4,089.12 is: 6,122.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,434.93 : 9,634.19 = 4,089.12 : x
  2. Step 2: Convert to fraction form
    6,434.93/9,634.19 = 4,089.12/x
  3. Step 3: Cross multiply
    6,434.93x = 9,634.19 × 4,089.12
  4. Step 4: Simplify right side
    6,434.93x = 39,395,325.44
  5. Step 5: Solve for x
    x = 39,395,325.44/6,434.93
  6. Step 6: Final answer
    x = 6,122.11

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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.