Home / 9,279.91-13,919.87-2,705.95

Finding the Fourth Proportional to 9,279.91, 13,919.87 and 2,705.95

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Solution

The fourth proportional to 9,279.91, 13,919.87 and 2,705.95 is: 4,058.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,279.91 : 13,919.87 = 2,705.95 : x
  2. Step 2: Convert to fraction form
    9,279.91/13,919.87 = 2,705.95/x
  3. Step 3: Cross multiply
    9,279.91x = 13,919.87 × 2,705.95
  4. Step 4: Simplify right side
    9,279.91x = 37,666,472.23
  5. Step 5: Solve for x
    x = 37,666,472.23/9,279.91
  6. Step 6: Final answer
    x = 4,058.93

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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.