Home / 4,128.38-6,193.52-2,279.04

Finding the Fourth Proportional to 4,128.38, 6,193.52 and 2,279.04

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Solution

The fourth proportional to 4,128.38, 6,193.52 and 2,279.04 is: 3,419.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,128.38 : 6,193.52 = 2,279.04 : x
  2. Step 2: Convert to fraction form
    4,128.38/6,193.52 = 2,279.04/x
  3. Step 3: Cross multiply
    4,128.38x = 6,193.52 × 2,279.04
  4. Step 4: Simplify right side
    4,128.38x = 14,115,279.82
  5. Step 5: Solve for x
    x = 14,115,279.82/4,128.38
  6. Step 6: Final answer
    x = 3,419.08

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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.