Home / 6,944.42-10,420.77-2,785.34

Finding the Fourth Proportional to 6,944.42, 10,420.77 and 2,785.34

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Solution

The fourth proportional to 6,944.42, 10,420.77 and 2,785.34 is: 4,179.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,944.42 : 10,420.77 = 2,785.34 : x
  2. Step 2: Convert to fraction form
    6,944.42/10,420.77 = 2,785.34/x
  3. Step 3: Cross multiply
    6,944.42x = 10,420.77 × 2,785.34
  4. Step 4: Simplify right side
    6,944.42x = 29,025,387.51
  5. Step 5: Solve for x
    x = 29,025,387.51/6,944.42
  6. Step 6: Final answer
    x = 4,179.67

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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.