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Finding the Fourth Proportional to 8,612.53, 12,884.77 and 6,153.37

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Solution

The fourth proportional to 8,612.53, 12,884.77 and 6,153.37 is: 9,205.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,612.53 : 12,884.77 = 6,153.37 : x
  2. Step 2: Convert to fraction form
    8,612.53/12,884.77 = 6,153.37/x
  3. Step 3: Cross multiply
    8,612.53x = 12,884.77 × 6,153.37
  4. Step 4: Simplify right side
    8,612.53x = 79,284,732.65
  5. Step 5: Solve for x
    x = 79,284,732.65/8,612.53
  6. Step 6: Final answer
    x = 9,205.75

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1.5x scale

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.