Home / 5,399.74-8,093.58-2,278.81

Finding the Fourth Proportional to 5,399.74, 8,093.58 and 2,278.81

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Solution

The fourth proportional to 5,399.74, 8,093.58 and 2,278.81 is: 3,415.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,399.74 : 8,093.58 = 2,278.81 : x
  2. Step 2: Convert to fraction form
    5,399.74/8,093.58 = 2,278.81/x
  3. Step 3: Cross multiply
    5,399.74x = 8,093.58 × 2,278.81
  4. Step 4: Simplify right side
    5,399.74x = 18,443,690.57
  5. Step 5: Solve for x
    x = 18,443,690.57/5,399.74
  6. Step 6: Final answer
    x = 3,415.67

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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.