Home / 4,434.40-6,651.36-2,118.88

Finding the Fourth Proportional to 4,434.40, 6,651.36 and 2,118.88

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Solution

The fourth proportional to 4,434.40, 6,651.36 and 2,118.88 is: 3,178.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,434.40 : 6,651.36 = 2,118.88 : x
  2. Step 2: Convert to fraction form
    4,434.40/6,651.36 = 2,118.88/x
  3. Step 3: Cross multiply
    4,434.40x = 6,651.36 × 2,118.88
  4. Step 4: Simplify right side
    4,434.40x = 14,093,433.68
  5. Step 5: Solve for x
    x = 14,093,433.68/4,434.40
  6. Step 6: Final answer
    x = 3,178.21

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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.