Home / 6,070.40-9,105.24-2,121.38

Finding the Fourth Proportional to 6,070.40, 9,105.24 and 2,121.38

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Solution

The fourth proportional to 6,070.40, 9,105.24 and 2,121.38 is: 3,181.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,070.40 : 9,105.24 = 2,121.38 : x
  2. Step 2: Convert to fraction form
    6,070.40/9,105.24 = 2,121.38/x
  3. Step 3: Cross multiply
    6,070.40x = 9,105.24 × 2,121.38
  4. Step 4: Simplify right side
    6,070.40x = 19,315,674.03
  5. Step 5: Solve for x
    x = 19,315,674.03/6,070.40
  6. Step 6: Final answer
    x = 3,181.94

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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.