Home / 6,813.48-10,220.82-1,883.12

Finding the Fourth Proportional to 6,813.48, 10,220.82 and 1,883.12

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Solution

The fourth proportional to 6,813.48, 10,220.82 and 1,883.12 is: 2,824.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,813.48 : 10,220.82 = 1,883.12 : x
  2. Step 2: Convert to fraction form
    6,813.48/10,220.82 = 1,883.12/x
  3. Step 3: Cross multiply
    6,813.48x = 10,220.82 × 1,883.12
  4. Step 4: Simplify right side
    6,813.48x = 19,246,972.39
  5. Step 5: Solve for x
    x = 19,246,972.39/6,813.48
  6. Step 6: Final answer
    x = 2,824.84

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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.