Home / 5,515.29-8,267.31-3,174.57

Finding the Fourth Proportional to 5,515.29, 8,267.31 and 3,174.57

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Solution

The fourth proportional to 5,515.29, 8,267.31 and 3,174.57 is: 4,758.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,515.29 : 8,267.31 = 3,174.57 : x
  2. Step 2: Convert to fraction form
    5,515.29/8,267.31 = 3,174.57/x
  3. Step 3: Cross multiply
    5,515.29x = 8,267.31 × 3,174.57
  4. Step 4: Simplify right side
    5,515.29x = 26,245,154.31
  5. Step 5: Solve for x
    x = 26,245,154.31/5,515.29
  6. Step 6: Final answer
    x = 4,758.62

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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.