Home / 6,945.21-10,418.76-2,785.66

Finding the Fourth Proportional to 6,945.21, 10,418.76 and 2,785.66

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Solution

The fourth proportional to 6,945.21, 10,418.76 and 2,785.66 is: 4,178.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,945.21 : 10,418.76 = 2,785.66 : x
  2. Step 2: Convert to fraction form
    6,945.21/10,418.76 = 2,785.66/x
  3. Step 3: Cross multiply
    6,945.21x = 10,418.76 × 2,785.66
  4. Step 4: Simplify right side
    6,945.21x = 29,023,096.93
  5. Step 5: Solve for x
    x = 29,023,096.93/6,945.21
  6. Step 6: Final answer
    x = 4,178.87

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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.