Home / 7,106.27-9,805.16-5,121.23

Finding the Fourth Proportional to 7,106.27, 9,805.16 and 5,121.23

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Solution

The fourth proportional to 7,106.27, 9,805.16 and 5,121.23 is: 7,066.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,106.27 : 9,805.16 = 5,121.23 : x
  2. Step 2: Convert to fraction form
    7,106.27/9,805.16 = 5,121.23/x
  3. Step 3: Cross multiply
    7,106.27x = 9,805.16 × 5,121.23
  4. Step 4: Simplify right side
    7,106.27x = 50,214,453.94
  5. Step 5: Solve for x
    x = 50,214,453.94/7,106.27
  6. Step 6: Final answer
    x = 7,066.22

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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.