Home / 6,554.20-9,830.22-2,172.10

Finding the Fourth Proportional to 6,554.20, 9,830.22 and 2,172.10

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Solution

The fourth proportional to 6,554.20, 9,830.22 and 2,172.10 is: 3,257.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,554.20 : 9,830.22 = 2,172.10 : x
  2. Step 2: Convert to fraction form
    6,554.20/9,830.22 = 2,172.10/x
  3. Step 3: Cross multiply
    6,554.20x = 9,830.22 × 2,172.10
  4. Step 4: Simplify right side
    6,554.20x = 21,352,220.86
  5. Step 5: Solve for x
    x = 21,352,220.86/6,554.20
  6. Step 6: Final answer
    x = 3,257.79

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1.5x scale

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.