Home / 9,210.21-13,821.70-3,662.99

Finding the Fourth Proportional to 9,210.21, 13,821.70 and 3,662.99

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Solution

The fourth proportional to 9,210.21, 13,821.70 and 3,662.99 is: 5,497.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,210.21 : 13,821.70 = 3,662.99 : x
  2. Step 2: Convert to fraction form
    9,210.21/13,821.70 = 3,662.99/x
  3. Step 3: Cross multiply
    9,210.21x = 13,821.70 × 3,662.99
  4. Step 4: Simplify right side
    9,210.21x = 50,628,661.46
  5. Step 5: Solve for x
    x = 50,628,661.46/9,210.21
  6. Step 6: Final answer
    x = 5,497.01

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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.