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Finding the Fourth Proportional to 8,375.28, 12,548.34 and 6,188.28

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Solution

The fourth proportional to 8,375.28, 12,548.34 and 6,188.28 is: 9,271.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,375.28 : 12,548.34 = 6,188.28 : x
  2. Step 2: Convert to fraction form
    8,375.28/12,548.34 = 6,188.28/x
  3. Step 3: Cross multiply
    8,375.28x = 12,548.34 × 6,188.28
  4. Step 4: Simplify right side
    8,375.28x = 77,652,641.46
  5. Step 5: Solve for x
    x = 77,652,641.46/8,375.28
  6. Step 6: Final answer
    x = 9,271.65

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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.