Home / 7,110.89-9,811.83-4,126.65

Finding the Fourth Proportional to 7,110.89, 9,811.83 and 4,126.65

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Solution

The fourth proportional to 7,110.89, 9,811.83 and 4,126.65 is: 5,694.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,110.89 : 9,811.83 = 4,126.65 : x
  2. Step 2: Convert to fraction form
    7,110.89/9,811.83 = 4,126.65/x
  3. Step 3: Cross multiply
    7,110.89x = 9,811.83 × 4,126.65
  4. Step 4: Simplify right side
    7,110.89x = 40,489,988.27
  5. Step 5: Solve for x
    x = 40,489,988.27/7,110.89
  6. Step 6: Final answer
    x = 5,694.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.