Home / 4,428.20-6,646.40-2,238.46

Finding the Fourth Proportional to 4,428.20, 6,646.40 and 2,238.46

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Solution

The fourth proportional to 4,428.20, 6,646.40 and 2,238.46 is: 3,359.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,428.20 : 6,646.40 = 2,238.46 : x
  2. Step 2: Convert to fraction form
    4,428.20/6,646.40 = 2,238.46/x
  3. Step 3: Cross multiply
    4,428.20x = 6,646.40 × 2,238.46
  4. Step 4: Simplify right side
    4,428.20x = 14,877,700.54
  5. Step 5: Solve for x
    x = 14,877,700.54/4,428.20
  6. Step 6: Final answer
    x = 3,359.76

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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.