Home / 6,923.58-10,385.06-1,993.20

Finding the Fourth Proportional to 6,923.58, 10,385.06 and 1,993.20

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Solution

The fourth proportional to 6,923.58, 10,385.06 and 1,993.20 is: 2,989.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,923.58 : 10,385.06 = 1,993.20 : x
  2. Step 2: Convert to fraction form
    6,923.58/10,385.06 = 1,993.20/x
  3. Step 3: Cross multiply
    6,923.58x = 10,385.06 × 1,993.20
  4. Step 4: Simplify right side
    6,923.58x = 20,699,501.59
  5. Step 5: Solve for x
    x = 20,699,501.59/6,923.58
  6. Step 6: Final answer
    x = 2,989.71

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Similar ratio
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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.