Home / 6,513.62-8,992.67-4,279.23

Finding the Fourth Proportional to 6,513.62, 8,992.67 and 4,279.23

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Solution

The fourth proportional to 6,513.62, 8,992.67 and 4,279.23 is: 5,907.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,513.62 : 8,992.67 = 4,279.23 : x
  2. Step 2: Convert to fraction form
    6,513.62/8,992.67 = 4,279.23/x
  3. Step 3: Cross multiply
    6,513.62x = 8,992.67 × 4,279.23
  4. Step 4: Simplify right side
    6,513.62x = 38,481,705.92
  5. Step 5: Solve for x
    x = 38,481,705.92/6,513.62
  6. Step 6: Final answer
    x = 5,907.89

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Half 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.