Home / 7,425.90-11,138.45-2,495.03

Finding the Fourth Proportional to 7,425.90, 11,138.45 and 2,495.03

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Solution

The fourth proportional to 7,425.90, 11,138.45 and 2,495.03 is: 3,742.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,425.90 : 11,138.45 = 2,495.03 : x
  2. Step 2: Convert to fraction form
    7,425.90/11,138.45 = 2,495.03/x
  3. Step 3: Cross multiply
    7,425.90x = 11,138.45 × 2,495.03
  4. Step 4: Simplify right side
    7,425.90x = 27,790,698.74
  5. Step 5: Solve for x
    x = 27,790,698.74/7,425.90
  6. Step 6: Final answer
    x = 3,742.40

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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.