Home / 4,992.10-7,485.99-1,528.54

Finding the Fourth Proportional to 4,992.10, 7,485.99 and 1,528.54

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Solution

The fourth proportional to 4,992.10, 7,485.99 and 1,528.54 is: 2,292.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,992.10 : 7,485.99 = 1,528.54 : x
  2. Step 2: Convert to fraction form
    4,992.10/7,485.99 = 1,528.54/x
  3. Step 3: Cross multiply
    4,992.10x = 7,485.99 × 1,528.54
  4. Step 4: Simplify right side
    4,992.10x = 11,442,635.15
  5. Step 5: Solve for x
    x = 11,442,635.15/4,992.10
  6. Step 6: Final answer
    x = 2,292.15

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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.