Home / 5,259.23-7,891.59-2,141.54

Finding the Fourth Proportional to 5,259.23, 7,891.59 and 2,141.54

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Solution

The fourth proportional to 5,259.23, 7,891.59 and 2,141.54 is: 3,213.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,259.23 : 7,891.59 = 2,141.54 : x
  2. Step 2: Convert to fraction form
    5,259.23/7,891.59 = 2,141.54/x
  3. Step 3: Cross multiply
    5,259.23x = 7,891.59 × 2,141.54
  4. Step 4: Simplify right side
    5,259.23x = 16,900,153.81
  5. Step 5: Solve for x
    x = 16,900,153.81/5,259.23
  6. Step 6: Final answer
    x = 3,213.43

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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.