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Finding the Fourth Proportional to 6,720.58, 10,080.86 and 2,774.06

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Solution

The fourth proportional to 6,720.58, 10,080.86 and 2,774.06 is: 4,161.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,720.58 : 10,080.86 = 2,774.06 : x
  2. Step 2: Convert to fraction form
    6,720.58/10,080.86 = 2,774.06/x
  3. Step 3: Cross multiply
    6,720.58x = 10,080.86 × 2,774.06
  4. Step 4: Simplify right side
    6,720.58x = 27,964,910.49
  5. Step 5: Solve for x
    x = 27,964,910.49/6,720.58
  6. Step 6: Final answer
    x = 4,161.09

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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.