Home / 4,428.30-6,636.42-2,087.94

Finding the Fourth Proportional to 4,428.30, 6,636.42 and 2,087.94

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Solution

The fourth proportional to 4,428.30, 6,636.42 and 2,087.94 is: 3,129.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,428.30 : 6,636.42 = 2,087.94 : x
  2. Step 2: Convert to fraction form
    4,428.30/6,636.42 = 2,087.94/x
  3. Step 3: Cross multiply
    4,428.30x = 6,636.42 × 2,087.94
  4. Step 4: Simplify right side
    4,428.30x = 13,856,446.77
  5. Step 5: Solve for x
    x = 13,856,446.77/4,428.30
  6. Step 6: Final answer
    x = 3,129.07

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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.