Home / 4,279.56-6,429.02-2,549.32

Finding the Fourth Proportional to 4,279.56, 6,429.02 and 2,549.32

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Solution

The fourth proportional to 4,279.56, 6,429.02 and 2,549.32 is: 3,829.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,279.56 : 6,429.02 = 2,549.32 : x
  2. Step 2: Convert to fraction form
    4,279.56/6,429.02 = 2,549.32/x
  3. Step 3: Cross multiply
    4,279.56x = 6,429.02 × 2,549.32
  4. Step 4: Simplify right side
    4,279.56x = 16,389,629.27
  5. Step 5: Solve for x
    x = 16,389,629.27/4,279.56
  6. Step 6: Final answer
    x = 3,829.75

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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.