Home / 6,780.51-10,162.26-3,860.46

Finding the Fourth Proportional to 6,780.51, 10,162.26 and 3,860.46

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Solution

The fourth proportional to 6,780.51, 10,162.26 and 3,860.46 is: 5,785.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,780.51 : 10,162.26 = 3,860.46 : x
  2. Step 2: Convert to fraction form
    6,780.51/10,162.26 = 3,860.46/x
  3. Step 3: Cross multiply
    6,780.51x = 10,162.26 × 3,860.46
  4. Step 4: Simplify right side
    6,780.51x = 39,230,998.24
  5. Step 5: Solve for x
    x = 39,230,998.24/6,780.51
  6. Step 6: Final answer
    x = 5,785.85

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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.