Home / 9,279.72-13,919.04-2,705.76

Finding the Fourth Proportional to 9,279.72, 13,919.04 and 2,705.76

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Solution

The fourth proportional to 9,279.72, 13,919.04 and 2,705.76 is: 4,058.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,279.72 : 13,919.04 = 2,705.76 : x
  2. Step 2: Convert to fraction form
    9,279.72/13,919.04 = 2,705.76/x
  3. Step 3: Cross multiply
    9,279.72x = 13,919.04 × 2,705.76
  4. Step 4: Simplify right side
    9,279.72x = 37,661,581.67
  5. Step 5: Solve for x
    x = 37,661,581.67/9,279.72
  6. Step 6: Final answer
    x = 4,058.48

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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.