Home / 6,809.06-10,213.64-1,878.59

Finding the Fourth Proportional to 6,809.06, 10,213.64 and 1,878.59

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Solution

The fourth proportional to 6,809.06, 10,213.64 and 1,878.59 is: 2,817.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,809.06 : 10,213.64 = 1,878.59 : x
  2. Step 2: Convert to fraction form
    6,809.06/10,213.64 = 1,878.59/x
  3. Step 3: Cross multiply
    6,809.06x = 10,213.64 × 1,878.59
  4. Step 4: Simplify right side
    6,809.06x = 19,187,195.60
  5. Step 5: Solve for x
    x = 19,187,195.60/6,809.06
  6. Step 6: Final answer
    x = 2,817.89

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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.