Home / 9,828.75-14,740.83-2,808.60

Finding the Fourth Proportional to 9,828.75, 14,740.83 and 2,808.60

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Solution

The fourth proportional to 9,828.75, 14,740.83 and 2,808.60 is: 4,212.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,828.75 : 14,740.83 = 2,808.60 : x
  2. Step 2: Convert to fraction form
    9,828.75/14,740.83 = 2,808.60/x
  3. Step 3: Cross multiply
    9,828.75x = 14,740.83 × 2,808.60
  4. Step 4: Simplify right side
    9,828.75x = 41,401,095.14
  5. Step 5: Solve for x
    x = 41,401,095.14/9,828.75
  6. Step 6: Final answer
    x = 4,212.24

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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.