Home / 5,375.63-8,065.80-2,256.45

Finding the Fourth Proportional to 5,375.63, 8,065.80 and 2,256.45

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Solution

The fourth proportional to 5,375.63, 8,065.80 and 2,256.45 is: 3,385.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,375.63 : 8,065.80 = 2,256.45 : x
  2. Step 2: Convert to fraction form
    5,375.63/8,065.80 = 2,256.45/x
  3. Step 3: Cross multiply
    5,375.63x = 8,065.80 × 2,256.45
  4. Step 4: Simplify right side
    5,375.63x = 18,200,074.41
  5. Step 5: Solve for x
    x = 18,200,074.41/5,375.63
  6. Step 6: Final answer
    x = 3,385.67

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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.