Home / 9,375.45-12,932.46-6,188.75

Finding the Fourth Proportional to 9,375.45, 12,932.46 and 6,188.75

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Solution

The fourth proportional to 9,375.45, 12,932.46 and 6,188.75 is: 8,536.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,375.45 : 12,932.46 = 6,188.75 : x
  2. Step 2: Convert to fraction form
    9,375.45/12,932.46 = 6,188.75/x
  3. Step 3: Cross multiply
    9,375.45x = 12,932.46 × 6,188.75
  4. Step 4: Simplify right side
    9,375.45x = 80,035,818.40
  5. Step 5: Solve for x
    x = 80,035,818.40/9,375.45
  6. Step 6: Final answer
    x = 8,536.75

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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.