Home / 7,830.15-11,745.99-2,283.37

Finding the Fourth Proportional to 7,830.15, 11,745.99 and 2,283.37

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Solution

The fourth proportional to 7,830.15, 11,745.99 and 2,283.37 is: 3,425.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,830.15 : 11,745.99 = 2,283.37 : x
  2. Step 2: Convert to fraction form
    7,830.15/11,745.99 = 2,283.37/x
  3. Step 3: Cross multiply
    7,830.15x = 11,745.99 × 2,283.37
  4. Step 4: Simplify right side
    7,830.15x = 26,820,441.19
  5. Step 5: Solve for x
    x = 26,820,441.19/7,830.15
  6. Step 6: Final answer
    x = 3,425.28

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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.