Home / 9,728.75-14,595.18-3,154.43

Finding the Fourth Proportional to 9,728.75, 14,595.18 and 3,154.43

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Solution

The fourth proportional to 9,728.75, 14,595.18 and 3,154.43 is: 4,732.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,728.75 : 14,595.18 = 3,154.43 : x
  2. Step 2: Convert to fraction form
    9,728.75/14,595.18 = 3,154.43/x
  3. Step 3: Cross multiply
    9,728.75x = 14,595.18 × 3,154.43
  4. Step 4: Simplify right side
    9,728.75x = 46,039,413.37
  5. Step 5: Solve for x
    x = 46,039,413.37/9,728.75
  6. Step 6: Final answer
    x = 4,732.30

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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.