Home / 4,546.69-6,819.86-1,428.08

Finding the Fourth Proportional to 4,546.69, 6,819.86 and 1,428.08

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Solution

The fourth proportional to 4,546.69, 6,819.86 and 1,428.08 is: 2,142.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,546.69 : 6,819.86 = 1,428.08 : x
  2. Step 2: Convert to fraction form
    4,546.69/6,819.86 = 1,428.08/x
  3. Step 3: Cross multiply
    4,546.69x = 6,819.86 × 1,428.08
  4. Step 4: Simplify right side
    4,546.69x = 9,739,275.14
  5. Step 5: Solve for x
    x = 9,739,275.14/4,546.69
  6. Step 6: Final answer
    x = 2,142.06

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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.