Home / 7,495.40-11,245.43-2,815.83

Finding the Fourth Proportional to 7,495.40, 11,245.43 and 2,815.83

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Solution

The fourth proportional to 7,495.40, 11,245.43 and 2,815.83 is: 4,224.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,495.40 : 11,245.43 = 2,815.83 : x
  2. Step 2: Convert to fraction form
    7,495.40/11,245.43 = 2,815.83/x
  3. Step 3: Cross multiply
    7,495.40x = 11,245.43 × 2,815.83
  4. Step 4: Simplify right side
    7,495.40x = 31,665,226.20
  5. Step 5: Solve for x
    x = 31,665,226.20/7,495.40
  6. Step 6: Final answer
    x = 4,224.62

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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.