Home / 7,919.03-11,827.97-7,167.39

Finding the Fourth Proportional to 7,919.03, 11,827.97 and 7,167.39

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Solution

The fourth proportional to 7,919.03, 11,827.97 and 7,167.39 is: 10,705.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,919.03 : 11,827.97 = 7,167.39 : x
  2. Step 2: Convert to fraction form
    7,919.03/11,827.97 = 7,167.39/x
  3. Step 3: Cross multiply
    7,919.03x = 11,827.97 × 7,167.39
  4. Step 4: Simplify right side
    7,919.03x = 84,775,638.06
  5. Step 5: Solve for x
    x = 84,775,638.06/7,919.03
  6. Step 6: Final answer
    x = 10,705.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.