Home / 4,378.68-6,563.82-1,455.38

Finding the Fourth Proportional to 4,378.68, 6,563.82 and 1,455.38

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Solution

The fourth proportional to 4,378.68, 6,563.82 and 1,455.38 is: 2,181.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,378.68 : 6,563.82 = 1,455.38 : x
  2. Step 2: Convert to fraction form
    4,378.68/6,563.82 = 1,455.38/x
  3. Step 3: Cross multiply
    4,378.68x = 6,563.82 × 1,455.38
  4. Step 4: Simplify right side
    4,378.68x = 9,552,852.35
  5. Step 5: Solve for x
    x = 9,552,852.35/4,378.68
  6. Step 6: Final answer
    x = 2,181.67

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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.