Home / 4,815.14-7,222.96-1,528.49

Finding the Fourth Proportional to 4,815.14, 7,222.96 and 1,528.49

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Solution

The fourth proportional to 4,815.14, 7,222.96 and 1,528.49 is: 2,292.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,815.14 : 7,222.96 = 1,528.49 : x
  2. Step 2: Convert to fraction form
    4,815.14/7,222.96 = 1,528.49/x
  3. Step 3: Cross multiply
    4,815.14x = 7,222.96 × 1,528.49
  4. Step 4: Simplify right side
    4,815.14x = 11,040,222.13
  5. Step 5: Solve for x
    x = 11,040,222.13/4,815.14
  6. Step 6: Final answer
    x = 2,292.81

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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.