Home / 4,515.20-6,771.84-1,437.44

Finding the Fourth Proportional to 4,515.20, 6,771.84 and 1,437.44

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Solution

The fourth proportional to 4,515.20, 6,771.84 and 1,437.44 is: 2,155.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,515.20 : 6,771.84 = 1,437.44 : x
  2. Step 2: Convert to fraction form
    4,515.20/6,771.84 = 1,437.44/x
  3. Step 3: Cross multiply
    4,515.20x = 6,771.84 × 1,437.44
  4. Step 4: Simplify right side
    4,515.20x = 9,734,113.69
  5. Step 5: Solve for x
    x = 9,734,113.69/4,515.20
  6. Step 6: Final answer
    x = 2,155.85

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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.