Home / 6,428.32-9,646.11-2,965.57

Finding the Fourth Proportional to 6,428.32, 9,646.11 and 2,965.57

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Solution

The fourth proportional to 6,428.32, 9,646.11 and 2,965.57 is: 4,450.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,428.32 : 9,646.11 = 2,965.57 : x
  2. Step 2: Convert to fraction form
    6,428.32/9,646.11 = 2,965.57/x
  3. Step 3: Cross multiply
    6,428.32x = 9,646.11 × 2,965.57
  4. Step 4: Simplify right side
    6,428.32x = 28,606,214.43
  5. Step 5: Solve for x
    x = 28,606,214.43/6,428.32
  6. Step 6: Final answer
    x = 4,450.03

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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.