Home / 4,186.48-6,279.50-1,720.68

Finding the Fourth Proportional to 4,186.48, 6,279.50 and 1,720.68

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Solution

The fourth proportional to 4,186.48, 6,279.50 and 1,720.68 is: 2,580.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,186.48 : 6,279.50 = 1,720.68 : x
  2. Step 2: Convert to fraction form
    4,186.48/6,279.50 = 1,720.68/x
  3. Step 3: Cross multiply
    4,186.48x = 6,279.50 × 1,720.68
  4. Step 4: Simplify right side
    4,186.48x = 10,805,010.06
  5. Step 5: Solve for x
    x = 10,805,010.06/4,186.48
  6. Step 6: Final answer
    x = 2,580.93

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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.