Home / 5,538.48-7,644.64-3,271.84

Finding the Fourth Proportional to 5,538.48, 7,644.64 and 3,271.84

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Solution

The fourth proportional to 5,538.48, 7,644.64 and 3,271.84 is: 4,516.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,538.48 : 7,644.64 = 3,271.84 : x
  2. Step 2: Convert to fraction form
    5,538.48/7,644.64 = 3,271.84/x
  3. Step 3: Cross multiply
    5,538.48x = 7,644.64 × 3,271.84
  4. Step 4: Simplify right side
    5,538.48x = 25,012,038.94
  5. Step 5: Solve for x
    x = 25,012,038.94/5,538.48
  6. Step 6: Final answer
    x = 4,516.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.