Home / 6,680.15-10,013.70-2,785.67

Finding the Fourth Proportional to 6,680.15, 10,013.70 and 2,785.67

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Solution

The fourth proportional to 6,680.15, 10,013.70 and 2,785.67 is: 4,175.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,680.15 : 10,013.70 = 2,785.67 : x
  2. Step 2: Convert to fraction form
    6,680.15/10,013.70 = 2,785.67/x
  3. Step 3: Cross multiply
    6,680.15x = 10,013.70 × 2,785.67
  4. Step 4: Simplify right side
    6,680.15x = 27,894,863.68
  5. Step 5: Solve for x
    x = 27,894,863.68/6,680.15
  6. Step 6: Final answer
    x = 4,175.78

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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.