Home / 6,780.86-10,171.36-3,270.05

Finding the Fourth Proportional to 6,780.86, 10,171.36 and 3,270.05

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Solution

The fourth proportional to 6,780.86, 10,171.36 and 3,270.05 is: 4,905.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,780.86 : 10,171.36 = 3,270.05 : x
  2. Step 2: Convert to fraction form
    6,780.86/10,171.36 = 3,270.05/x
  3. Step 3: Cross multiply
    6,780.86x = 10,171.36 × 3,270.05
  4. Step 4: Simplify right side
    6,780.86x = 33,260,813.99
  5. Step 5: Solve for x
    x = 33,260,813.99/6,780.86
  6. Step 6: Final answer
    x = 4,905.10

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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.