Home / 4,891.22-7,338.27-1,812.50

Finding the Fourth Proportional to 4,891.22, 7,338.27 and 1,812.50

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Solution

The fourth proportional to 4,891.22, 7,338.27 and 1,812.50 is: 2,719.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,891.22 : 7,338.27 = 1,812.50 : x
  2. Step 2: Convert to fraction form
    4,891.22/7,338.27 = 1,812.50/x
  3. Step 3: Cross multiply
    4,891.22x = 7,338.27 × 1,812.50
  4. Step 4: Simplify right side
    4,891.22x = 13,300,614.38
  5. Step 5: Solve for x
    x = 13,300,614.38/4,891.22
  6. Step 6: Final answer
    x = 2,719.28

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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.