Home / 7,519.12-11,281.30-3,358.73

Finding the Fourth Proportional to 7,519.12, 11,281.30 and 3,358.73

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Solution

The fourth proportional to 7,519.12, 11,281.30 and 3,358.73 is: 5,039.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,519.12 : 11,281.30 = 3,358.73 : x
  2. Step 2: Convert to fraction form
    7,519.12/11,281.30 = 3,358.73/x
  3. Step 3: Cross multiply
    7,519.12x = 11,281.30 × 3,358.73
  4. Step 4: Simplify right side
    7,519.12x = 37,890,767.55
  5. Step 5: Solve for x
    x = 37,890,767.55/7,519.12
  6. Step 6: Final answer
    x = 5,039.26

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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.