Home / 5,378.32-8,052.88-3,811.96

Finding the Fourth Proportional to 5,378.32, 8,052.88 and 3,811.96

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Solution

The fourth proportional to 5,378.32, 8,052.88 and 3,811.96 is: 5,707.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,378.32 : 8,052.88 = 3,811.96 : x
  2. Step 2: Convert to fraction form
    5,378.32/8,052.88 = 3,811.96/x
  3. Step 3: Cross multiply
    5,378.32x = 8,052.88 × 3,811.96
  4. Step 4: Simplify right side
    5,378.32x = 30,697,256.44
  5. Step 5: Solve for x
    x = 30,697,256.44/5,378.32
  6. Step 6: Final answer
    x = 5,707.59

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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.