Home / 6,860.12-10,290.98-2,180.39

Finding the Fourth Proportional to 6,860.12, 10,290.98 and 2,180.39

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Solution

The fourth proportional to 6,860.12, 10,290.98 and 2,180.39 is: 3,270.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,860.12 : 10,290.98 = 2,180.39 : x
  2. Step 2: Convert to fraction form
    6,860.12/10,290.98 = 2,180.39/x
  3. Step 3: Cross multiply
    6,860.12x = 10,290.98 × 2,180.39
  4. Step 4: Simplify right side
    6,860.12x = 22,438,303.88
  5. Step 5: Solve for x
    x = 22,438,303.88/6,860.12
  6. Step 6: Final answer
    x = 3,270.83

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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.