Home / 6,820.32-10,231.44-3,123.48

Finding the Fourth Proportional to 6,820.32, 10,231.44 and 3,123.48

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Solution

The fourth proportional to 6,820.32, 10,231.44 and 3,123.48 is: 4,685.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,820.32 : 10,231.44 = 3,123.48 : x
  2. Step 2: Convert to fraction form
    6,820.32/10,231.44 = 3,123.48/x
  3. Step 3: Cross multiply
    6,820.32x = 10,231.44 × 3,123.48
  4. Step 4: Simplify right side
    6,820.32x = 31,957,698.21
  5. Step 5: Solve for x
    x = 31,957,698.21/6,820.32
  6. Step 6: Final answer
    x = 4,685.66

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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.