Home / 8,975.12-12,372.83-6,314.27

Finding the Fourth Proportional to 8,975.12, 12,372.83 and 6,314.27

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Solution

The fourth proportional to 8,975.12, 12,372.83 and 6,314.27 is: 8,704.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,975.12 : 12,372.83 = 6,314.27 : x
  2. Step 2: Convert to fraction form
    8,975.12/12,372.83 = 6,314.27/x
  3. Step 3: Cross multiply
    8,975.12x = 12,372.83 × 6,314.27
  4. Step 4: Simplify right side
    8,975.12x = 78,125,295.85
  5. Step 5: Solve for x
    x = 78,125,295.85/8,975.12
  6. Step 6: Final answer
    x = 8,704.66

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1.5x scale

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.