Home / 9,030.96-13,546.78-2,790.41

Finding the Fourth Proportional to 9,030.96, 13,546.78 and 2,790.41

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Solution

The fourth proportional to 9,030.96, 13,546.78 and 2,790.41 is: 4,185.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,030.96 : 13,546.78 = 2,790.41 : x
  2. Step 2: Convert to fraction form
    9,030.96/13,546.78 = 2,790.41/x
  3. Step 3: Cross multiply
    9,030.96x = 13,546.78 × 2,790.41
  4. Step 4: Simplify right side
    9,030.96x = 37,800,995.67
  5. Step 5: Solve for x
    x = 37,800,995.67/9,030.96
  6. Step 6: Final answer
    x = 4,185.71

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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.