Home / 4,130.85-6,185.69-2,279.91

Finding the Fourth Proportional to 4,130.85, 6,185.69 and 2,279.91

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Solution

The fourth proportional to 4,130.85, 6,185.69 and 2,279.91 is: 3,414.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,130.85 : 6,185.69 = 2,279.91 : x
  2. Step 2: Convert to fraction form
    4,130.85/6,185.69 = 2,279.91/x
  3. Step 3: Cross multiply
    4,130.85x = 6,185.69 × 2,279.91
  4. Step 4: Simplify right side
    4,130.85x = 14,102,805.09
  5. Step 5: Solve for x
    x = 14,102,805.09/4,130.85
  6. Step 6: Final answer
    x = 3,414.02

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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.