Home / 4,122.06-6,181.79-1,348.10

Finding the Fourth Proportional to 4,122.06, 6,181.79 and 1,348.10

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Solution

The fourth proportional to 4,122.06, 6,181.79 and 1,348.10 is: 2,021.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,122.06 : 6,181.79 = 1,348.10 : x
  2. Step 2: Convert to fraction form
    4,122.06/6,181.79 = 1,348.10/x
  3. Step 3: Cross multiply
    4,122.06x = 6,181.79 × 1,348.10
  4. Step 4: Simplify right side
    4,122.06x = 8,333,633.45
  5. Step 5: Solve for x
    x = 8,333,633.45/4,122.06
  6. Step 6: Final answer
    x = 2,021.72

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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.