Home / 7,087.25-10,627.30-4,126.65

Finding the Fourth Proportional to 7,087.25, 10,627.30 and 4,126.65

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Solution

The fourth proportional to 7,087.25, 10,627.30 and 4,126.65 is: 6,187.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,087.25 : 10,627.30 = 4,126.65 : x
  2. Step 2: Convert to fraction form
    7,087.25/10,627.30 = 4,126.65/x
  3. Step 3: Cross multiply
    7,087.25x = 10,627.30 × 4,126.65
  4. Step 4: Simplify right side
    7,087.25x = 43,855,112.85
  5. Step 5: Solve for x
    x = 43,855,112.85/7,087.25
  6. Step 6: Final answer
    x = 6,187.89

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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.