Home / 7,519.43-11,273.06-3,140.16

Finding the Fourth Proportional to 7,519.43, 11,273.06 and 3,140.16

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Solution

The fourth proportional to 7,519.43, 11,273.06 and 3,140.16 is: 4,707.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,519.43 : 11,273.06 = 3,140.16 : x
  2. Step 2: Convert to fraction form
    7,519.43/11,273.06 = 3,140.16/x
  3. Step 3: Cross multiply
    7,519.43x = 11,273.06 × 3,140.16
  4. Step 4: Simplify right side
    7,519.43x = 35,399,212.09
  5. Step 5: Solve for x
    x = 35,399,212.09/7,519.43
  6. Step 6: Final answer
    x = 4,707.70

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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.