Home / 7,946.09-11,919.27-2,681.19

Finding the Fourth Proportional to 7,946.09, 11,919.27 and 2,681.19

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Solution

The fourth proportional to 7,946.09, 11,919.27 and 2,681.19 is: 4,021.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,946.09 : 11,919.27 = 2,681.19 : x
  2. Step 2: Convert to fraction form
    7,946.09/11,919.27 = 2,681.19/x
  3. Step 3: Cross multiply
    7,946.09x = 11,919.27 × 2,681.19
  4. Step 4: Simplify right side
    7,946.09x = 31,957,827.53
  5. Step 5: Solve for x
    x = 31,957,827.53/7,946.09
  6. Step 6: Final answer
    x = 4,021.83

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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.