Home / 4,186.40-6,279.60-2,546.16

Finding the Fourth Proportional to 4,186.40, 6,279.60 and 2,546.16

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Solution

The fourth proportional to 4,186.40, 6,279.60 and 2,546.16 is: 3,819.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,186.40 : 6,279.60 = 2,546.16 : x
  2. Step 2: Convert to fraction form
    4,186.40/6,279.60 = 2,546.16/x
  3. Step 3: Cross multiply
    4,186.40x = 6,279.60 × 2,546.16
  4. Step 4: Simplify right side
    4,186.40x = 15,988,866.34
  5. Step 5: Solve for x
    x = 15,988,866.34/4,186.40
  6. Step 6: Final answer
    x = 3,819.24

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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.