Home / 8,975.42-13,468.80-3,429.36

Finding the Fourth Proportional to 8,975.42, 13,468.80 and 3,429.36

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Solution

The fourth proportional to 8,975.42, 13,468.80 and 3,429.36 is: 5,146.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,975.42 : 13,468.80 = 3,429.36 : x
  2. Step 2: Convert to fraction form
    8,975.42/13,468.80 = 3,429.36/x
  3. Step 3: Cross multiply
    8,975.42x = 13,468.80 × 3,429.36
  4. Step 4: Simplify right side
    8,975.42x = 46,189,363.97
  5. Step 5: Solve for x
    x = 46,189,363.97/8,975.42
  6. Step 6: Final answer
    x = 5,146.21

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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.