Home / 6,815.50-10,217.78-3,852.11

Finding the Fourth Proportional to 6,815.50, 10,217.78 and 3,852.11

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Solution

The fourth proportional to 6,815.50, 10,217.78 and 3,852.11 is: 5,775.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,815.50 : 10,217.78 = 3,852.11 : x
  2. Step 2: Convert to fraction form
    6,815.50/10,217.78 = 3,852.11/x
  3. Step 3: Cross multiply
    6,815.50x = 10,217.78 × 3,852.11
  4. Step 4: Simplify right side
    6,815.50x = 39,359,993.26
  5. Step 5: Solve for x
    x = 39,359,993.26/6,815.50
  6. Step 6: Final answer
    x = 5,775.07

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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.