Home / 4,438.03-6,646.11-2,790.49

Finding the Fourth Proportional to 4,438.03, 6,646.11 and 2,790.49

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Solution

The fourth proportional to 4,438.03, 6,646.11 and 2,790.49 is: 4,178.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,438.03 : 6,646.11 = 2,790.49 : x
  2. Step 2: Convert to fraction form
    4,438.03/6,646.11 = 2,790.49/x
  3. Step 3: Cross multiply
    4,438.03x = 6,646.11 × 2,790.49
  4. Step 4: Simplify right side
    4,438.03x = 18,545,903.49
  5. Step 5: Solve for x
    x = 18,545,903.49/4,438.03
  6. Step 6: Final answer
    x = 4,178.86

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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.