Home / 8,966.53-13,453.67-3,421.54

Finding the Fourth Proportional to 8,966.53, 13,453.67 and 3,421.54

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Solution

The fourth proportional to 8,966.53, 13,453.67 and 3,421.54 is: 5,133.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,966.53 : 13,453.67 = 3,421.54 : x
  2. Step 2: Convert to fraction form
    8,966.53/13,453.67 = 3,421.54/x
  3. Step 3: Cross multiply
    8,966.53x = 13,453.67 × 3,421.54
  4. Step 4: Simplify right side
    8,966.53x = 46,032,270.05
  5. Step 5: Solve for x
    x = 46,032,270.05/8,966.53
  6. Step 6: Final answer
    x = 5,133.79

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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.