Home / 4,428.66-6,643.14-1,961.91

Finding the Fourth Proportional to 4,428.66, 6,643.14 and 1,961.91

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Solution

The fourth proportional to 4,428.66, 6,643.14 and 1,961.91 is: 2,942.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,428.66 : 6,643.14 = 1,961.91 : x
  2. Step 2: Convert to fraction form
    4,428.66/6,643.14 = 1,961.91/x
  3. Step 3: Cross multiply
    4,428.66x = 6,643.14 × 1,961.91
  4. Step 4: Simplify right side
    4,428.66x = 13,033,242.80
  5. Step 5: Solve for x
    x = 13,033,242.80/4,428.66
  6. Step 6: Final answer
    x = 2,942.93

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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.