Home / 9,310.94-12,849.09-5,119.19

Finding the Fourth Proportional to 9,310.94, 12,849.09 and 5,119.19

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Solution

The fourth proportional to 9,310.94, 12,849.09 and 5,119.19 is: 7,064.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,310.94 : 12,849.09 = 5,119.19 : x
  2. Step 2: Convert to fraction form
    9,310.94/12,849.09 = 5,119.19/x
  3. Step 3: Cross multiply
    9,310.94x = 12,849.09 × 5,119.19
  4. Step 4: Simplify right side
    9,310.94x = 65,776,933.04
  5. Step 5: Solve for x
    x = 65,776,933.04/9,310.94
  6. Step 6: Final answer
    x = 7,064.48

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Double scale
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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.