Home / 6,554.62-9,834.81-2,172.70

Finding the Fourth Proportional to 6,554.62, 9,834.81 and 2,172.70

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Solution

The fourth proportional to 6,554.62, 9,834.81 and 2,172.70 is: 3,260.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,554.62 : 9,834.81 = 2,172.70 : x
  2. Step 2: Convert to fraction form
    6,554.62/9,834.81 = 2,172.70/x
  3. Step 3: Cross multiply
    6,554.62x = 9,834.81 × 2,172.70
  4. Step 4: Simplify right side
    6,554.62x = 21,368,091.69
  5. Step 5: Solve for x
    x = 21,368,091.69/6,554.62
  6. Step 6: Final answer
    x = 3,260.00

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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.