Home / 6,821.60-10,233.40-2,663.60

Finding the Fourth Proportional to 6,821.60, 10,233.40 and 2,663.60

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Solution

The fourth proportional to 6,821.60, 10,233.40 and 2,663.60 is: 3,995.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,821.60 : 10,233.40 = 2,663.60 : x
  2. Step 2: Convert to fraction form
    6,821.60/10,233.40 = 2,663.60/x
  3. Step 3: Cross multiply
    6,821.60x = 10,233.40 × 2,663.60
  4. Step 4: Simplify right side
    6,821.60x = 27,257,684.24
  5. Step 5: Solve for x
    x = 27,257,684.24/6,821.60
  6. Step 6: Final answer
    x = 3,995.79

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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.