Home / 4,251.80-6,377.22-1,478.56

Finding the Fourth Proportional to 4,251.80, 6,377.22 and 1,478.56

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Solution

The fourth proportional to 4,251.80, 6,377.22 and 1,478.56 is: 2,217.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,251.80 : 6,377.22 = 1,478.56 : x
  2. Step 2: Convert to fraction form
    4,251.80/6,377.22 = 1,478.56/x
  3. Step 3: Cross multiply
    4,251.80x = 6,377.22 × 1,478.56
  4. Step 4: Simplify right side
    4,251.80x = 9,429,102.40
  5. Step 5: Solve for x
    x = 9,429,102.40/4,251.80
  6. Step 6: Final answer
    x = 2,217.67

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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.