Home / 6,911.80-10,367.69-1,717.67

Finding the Fourth Proportional to 6,911.80, 10,367.69 and 1,717.67

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Solution

The fourth proportional to 6,911.80, 10,367.69 and 1,717.67 is: 2,576.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,911.80 : 10,367.69 = 1,717.67 : x
  2. Step 2: Convert to fraction form
    6,911.80/10,367.69 = 1,717.67/x
  3. Step 3: Cross multiply
    6,911.80x = 10,367.69 × 1,717.67
  4. Step 4: Simplify right side
    6,911.80x = 17,808,265.79
  5. Step 5: Solve for x
    x = 17,808,265.79/6,911.80
  6. Step 6: Final answer
    x = 2,576.50

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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.