Home / 6,815.99-10,224.20-1,885.67

Finding the Fourth Proportional to 6,815.99, 10,224.20 and 1,885.67

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Solution

The fourth proportional to 6,815.99, 10,224.20 and 1,885.67 is: 2,828.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,815.99 : 10,224.20 = 1,885.67 : x
  2. Step 2: Convert to fraction form
    6,815.99/10,224.20 = 1,885.67/x
  3. Step 3: Cross multiply
    6,815.99x = 10,224.20 × 1,885.67
  4. Step 4: Simplify right side
    6,815.99x = 19,279,406.66
  5. Step 5: Solve for x
    x = 19,279,406.66/6,815.99
  6. Step 6: Final answer
    x = 2,828.56

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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.