Home / 7,966.76-11,925.48-6,785.78

Finding the Fourth Proportional to 7,966.76, 11,925.48 and 6,785.78

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Solution

The fourth proportional to 7,966.76, 11,925.48 and 6,785.78 is: 10,157.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,966.76 : 11,925.48 = 6,785.78 : x
  2. Step 2: Convert to fraction form
    7,966.76/11,925.48 = 6,785.78/x
  3. Step 3: Cross multiply
    7,966.76x = 11,925.48 × 6,785.78
  4. Step 4: Simplify right side
    7,966.76x = 80,923,683.67
  5. Step 5: Solve for x
    x = 80,923,683.67/7,966.76
  6. Step 6: Final answer
    x = 10,157.67

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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.