Home / 6,816.20-10,224.06-1,886.36

Finding the Fourth Proportional to 6,816.20, 10,224.06 and 1,886.36

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Solution

The fourth proportional to 6,816.20, 10,224.06 and 1,886.36 is: 2,829.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,816.20 : 10,224.06 = 1,886.36 : x
  2. Step 2: Convert to fraction form
    6,816.20/10,224.06 = 1,886.36/x
  3. Step 3: Cross multiply
    6,816.20x = 10,224.06 × 1,886.36
  4. Step 4: Simplify right side
    6,816.20x = 19,286,257.82
  5. Step 5: Solve for x
    x = 19,286,257.82/6,816.20
  6. Step 6: Final answer
    x = 2,829.47

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Double scale
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Similar ratio
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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.