Home / 8,176.52-12,266.60-2,982.40

Finding the Fourth Proportional to 8,176.52, 12,266.60 and 2,982.40

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Solution

The fourth proportional to 8,176.52, 12,266.60 and 2,982.40 is: 4,474.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,176.52 : 12,266.60 = 2,982.40 : x
  2. Step 2: Convert to fraction form
    8,176.52/12,266.60 = 2,982.40/x
  3. Step 3: Cross multiply
    8,176.52x = 12,266.60 × 2,982.40
  4. Step 4: Simplify right side
    8,176.52x = 36,583,907.84
  5. Step 5: Solve for x
    x = 36,583,907.84/8,176.52
  6. Step 6: Final answer
    x = 4,474.26

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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.