Home / 5,519.68-8,281.56-2,559.54

Finding the Fourth Proportional to 5,519.68, 8,281.56 and 2,559.54

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Solution

The fourth proportional to 5,519.68, 8,281.56 and 2,559.54 is: 3,840.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,519.68 : 8,281.56 = 2,559.54 : x
  2. Step 2: Convert to fraction form
    5,519.68/8,281.56 = 2,559.54/x
  3. Step 3: Cross multiply
    5,519.68x = 8,281.56 × 2,559.54
  4. Step 4: Simplify right side
    5,519.68x = 21,196,984.08
  5. Step 5: Solve for x
    x = 21,196,984.08/5,519.68
  6. Step 6: Final answer
    x = 3,840.26

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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.