Home / 6,106.97-9,161.76-1,890.21

Finding the Fourth Proportional to 6,106.97, 9,161.76 and 1,890.21

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Solution

The fourth proportional to 6,106.97, 9,161.76 and 1,890.21 is: 2,835.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,106.97 : 9,161.76 = 1,890.21 : x
  2. Step 2: Convert to fraction form
    6,106.97/9,161.76 = 1,890.21/x
  3. Step 3: Cross multiply
    6,106.97x = 9,161.76 × 1,890.21
  4. Step 4: Simplify right side
    6,106.97x = 17,317,623.10
  5. Step 5: Solve for x
    x = 17,317,623.10/6,106.97
  6. Step 6: Final answer
    x = 2,835.72

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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.