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Finding the Fourth Proportional to 8,751.95, 13,133.39 and 6,375.64

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Solution

The fourth proportional to 8,751.95, 13,133.39 and 6,375.64 is: 9,567.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,751.95 : 13,133.39 = 6,375.64 : x
  2. Step 2: Convert to fraction form
    8,751.95/13,133.39 = 6,375.64/x
  3. Step 3: Cross multiply
    8,751.95x = 13,133.39 × 6,375.64
  4. Step 4: Simplify right side
    8,751.95x = 83,733,725.46
  5. Step 5: Solve for x
    x = 83,733,725.46/8,751.95
  6. Step 6: Final answer
    x = 9,567.44

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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.