Home / 7,830.23-11,745.41-2,565.16

Finding the Fourth Proportional to 7,830.23, 11,745.41 and 2,565.16

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Solution

The fourth proportional to 7,830.23, 11,745.41 and 2,565.16 is: 3,847.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,830.23 : 11,745.41 = 2,565.16 : x
  2. Step 2: Convert to fraction form
    7,830.23/11,745.41 = 2,565.16/x
  3. Step 3: Cross multiply
    7,830.23x = 11,745.41 × 2,565.16
  4. Step 4: Simplify right side
    7,830.23x = 30,128,813.73
  5. Step 5: Solve for x
    x = 30,128,813.73/7,830.23
  6. Step 6: Final answer
    x = 3,847.76

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.