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Finding the Fourth Proportional to 4,409.99, 6,611.50 and 3,019.11

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Solution

The fourth proportional to 4,409.99, 6,611.50 and 3,019.11 is: 4,526.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,409.99 : 6,611.50 = 3,019.11 : x
  2. Step 2: Convert to fraction form
    4,409.99/6,611.50 = 3,019.11/x
  3. Step 3: Cross multiply
    4,409.99x = 6,611.50 × 3,019.11
  4. Step 4: Simplify right side
    4,409.99x = 19,960,824.75
  5. Step 5: Solve for x
    x = 19,960,824.75/4,409.99
  6. Step 6: Final answer
    x = 4,526.28

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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.