Home / 4,419.88-6,630.96-1,299.99

Finding the Fourth Proportional to 4,419.88, 6,630.96 and 1,299.99

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Solution

The fourth proportional to 4,419.88, 6,630.96 and 1,299.99 is: 1,950.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,419.88 : 6,630.96 = 1,299.99 : x
  2. Step 2: Convert to fraction form
    4,419.88/6,630.96 = 1,299.99/x
  3. Step 3: Cross multiply
    4,419.88x = 6,630.96 × 1,299.99
  4. Step 4: Simplify right side
    4,419.88x = 8,620,181.69
  5. Step 5: Solve for x
    x = 8,620,181.69/4,419.88
  6. Step 6: Final answer
    x = 1,950.32

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1.5x scale

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.