Home / 6,815.78-10,216.83-4,353.38

Finding the Fourth Proportional to 6,815.78, 10,216.83 and 4,353.38

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Solution

The fourth proportional to 6,815.78, 10,216.83 and 4,353.38 is: 6,525.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,815.78 : 10,216.83 = 4,353.38 : x
  2. Step 2: Convert to fraction form
    6,815.78/10,216.83 = 4,353.38/x
  3. Step 3: Cross multiply
    6,815.78x = 10,216.83 × 4,353.38
  4. Step 4: Simplify right side
    6,815.78x = 44,477,743.39
  5. Step 5: Solve for x
    x = 44,477,743.39/6,815.78
  6. Step 6: Final answer
    x = 6,525.70

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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.