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Finding the Fourth Proportional to 6,278.03, 9,416.23 and 1,661.03

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Solution

The fourth proportional to 6,278.03, 9,416.23 and 1,661.03 is: 2,491.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,278.03 : 9,416.23 = 1,661.03 : x
  2. Step 2: Convert to fraction form
    6,278.03/9,416.23 = 1,661.03/x
  3. Step 3: Cross multiply
    6,278.03x = 9,416.23 × 1,661.03
  4. Step 4: Simplify right side
    6,278.03x = 15,640,640.52
  5. Step 5: Solve for x
    x = 15,640,640.52/6,278.03
  6. Step 6: Final answer
    x = 2,491.33

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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.