Home / 7,212.08-10,816.88-2,016.72

Finding the Fourth Proportional to 7,212.08, 10,816.88 and 2,016.72

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Solution

The fourth proportional to 7,212.08, 10,816.88 and 2,016.72 is: 3,024.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,212.08 : 10,816.88 = 2,016.72 : x
  2. Step 2: Convert to fraction form
    7,212.08/10,816.88 = 2,016.72/x
  3. Step 3: Cross multiply
    7,212.08x = 10,816.88 × 2,016.72
  4. Step 4: Simplify right side
    7,212.08x = 21,814,618.23
  5. Step 5: Solve for x
    x = 21,814,618.23/7,212.08
  6. Step 6: Final answer
    x = 3,024.73

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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.