Home / 4,448.40-6,666.84-2,255.92

Finding the Fourth Proportional to 4,448.40, 6,666.84 and 2,255.92

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Solution

The fourth proportional to 4,448.40, 6,666.84 and 2,255.92 is: 3,380.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,448.40 : 6,666.84 = 2,255.92 : x
  2. Step 2: Convert to fraction form
    4,448.40/6,666.84 = 2,255.92/x
  3. Step 3: Cross multiply
    4,448.40x = 6,666.84 × 2,255.92
  4. Step 4: Simplify right side
    4,448.40x = 15,039,857.69
  5. Step 5: Solve for x
    x = 15,039,857.69/4,448.40
  6. Step 6: Final answer
    x = 3,380.96

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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.