Home / 7,479.58-11,216.72-2,213.18

Finding the Fourth Proportional to 7,479.58, 11,216.72 and 2,213.18

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Solution

The fourth proportional to 7,479.58, 11,216.72 and 2,213.18 is: 3,318.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,479.58 : 11,216.72 = 2,213.18 : x
  2. Step 2: Convert to fraction form
    7,479.58/11,216.72 = 2,213.18/x
  3. Step 3: Cross multiply
    7,479.58x = 11,216.72 × 2,213.18
  4. Step 4: Simplify right side
    7,479.58x = 24,824,653.94
  5. Step 5: Solve for x
    x = 24,824,653.94/7,479.58
  6. Step 6: Final answer
    x = 3,318.99

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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.