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Finding the Fourth Proportional to 8,775, 12,114.63 and 6,683.04

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Solution

The fourth proportional to 8,775, 12,114.63 and 6,683.04 is: 9,226.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,775 : 12,114.63 = 6,683.04 : x
  2. Step 2: Convert to fraction form
    8,775/12,114.63 = 6,683.04/x
  3. Step 3: Cross multiply
    8,775x = 12,114.63 × 6,683.04
  4. Step 4: Simplify right side
    8,775x = 80,962,556.88
  5. Step 5: Solve for x
    x = 80,962,556.88/8,775
  6. Step 6: Final answer
    x = 9,226.50

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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.