Home / 8,889.46-12,258.26-7,634.67

Finding the Fourth Proportional to 8,889.46, 12,258.26 and 7,634.67

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Solution

The fourth proportional to 8,889.46, 12,258.26 and 7,634.67 is: 10,527.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,889.46 : 12,258.26 = 7,634.67 : x
  2. Step 2: Convert to fraction form
    8,889.46/12,258.26 = 7,634.67/x
  3. Step 3: Cross multiply
    8,889.46x = 12,258.26 × 7,634.67
  4. Step 4: Simplify right side
    8,889.46x = 93,587,769.87
  5. Step 5: Solve for x
    x = 93,587,769.87/8,889.46
  6. Step 6: Final answer
    x = 10,527.95

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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.