Home / 7,625.05-11,435.74-2,078.42

Finding the Fourth Proportional to 7,625.05, 11,435.74 and 2,078.42

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Solution

The fourth proportional to 7,625.05, 11,435.74 and 2,078.42 is: 3,117.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,625.05 : 11,435.74 = 2,078.42 : x
  2. Step 2: Convert to fraction form
    7,625.05/11,435.74 = 2,078.42/x
  3. Step 3: Cross multiply
    7,625.05x = 11,435.74 × 2,078.42
  4. Step 4: Simplify right side
    7,625.05x = 23,768,208.36
  5. Step 5: Solve for x
    x = 23,768,208.36/7,625.05
  6. Step 6: Final answer
    x = 3,117.12

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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.