Home / 6,828.20-10,253.10-4,992.20

Finding the Fourth Proportional to 6,828.20, 10,253.10 and 4,992.20

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Solution

The fourth proportional to 6,828.20, 10,253.10 and 4,992.20 is: 7,496.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,828.20 : 10,253.10 = 4,992.20 : x
  2. Step 2: Convert to fraction form
    6,828.20/10,253.10 = 4,992.20/x
  3. Step 3: Cross multiply
    6,828.20x = 10,253.10 × 4,992.20
  4. Step 4: Simplify right side
    6,828.20x = 51,185,525.82
  5. Step 5: Solve for x
    x = 51,185,525.82/6,828.20
  6. Step 6: Final answer
    x = 7,496.20

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Half scale
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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.