Home / 7,217.26-10,826.07-3,518.98

Finding the Fourth Proportional to 7,217.26, 10,826.07 and 3,518.98

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Solution

The fourth proportional to 7,217.26, 10,826.07 and 3,518.98 is: 5,278.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,217.26 : 10,826.07 = 3,518.98 : x
  2. Step 2: Convert to fraction form
    7,217.26/10,826.07 = 3,518.98/x
  3. Step 3: Cross multiply
    7,217.26x = 10,826.07 × 3,518.98
  4. Step 4: Simplify right side
    7,217.26x = 38,096,723.81
  5. Step 5: Solve for x
    x = 38,096,723.81/7,217.26
  6. Step 6: Final answer
    x = 5,278.56

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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.