Home / 6,780.22-10,171.29-2,100.59

Finding the Fourth Proportional to 6,780.22, 10,171.29 and 2,100.59

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Solution

The fourth proportional to 6,780.22, 10,171.29 and 2,100.59 is: 3,151.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,780.22 : 10,171.29 = 2,100.59 : x
  2. Step 2: Convert to fraction form
    6,780.22/10,171.29 = 2,100.59/x
  3. Step 3: Cross multiply
    6,780.22x = 10,171.29 × 2,100.59
  4. Step 4: Simplify right side
    6,780.22x = 21,365,758.50
  5. Step 5: Solve for x
    x = 21,365,758.50/6,780.22
  6. Step 6: Final answer
    x = 3,151.19

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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.