Home / 4,387.80-6,054.62-2,619.02

Finding the Fourth Proportional to 4,387.80, 6,054.62 and 2,619.02

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Solution

The fourth proportional to 4,387.80, 6,054.62 and 2,619.02 is: 3,613.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,387.80 : 6,054.62 = 2,619.02 : x
  2. Step 2: Convert to fraction form
    4,387.80/6,054.62 = 2,619.02/x
  3. Step 3: Cross multiply
    4,387.80x = 6,054.62 × 2,619.02
  4. Step 4: Simplify right side
    4,387.80x = 15,857,170.87
  5. Step 5: Solve for x
    x = 15,857,170.87/4,387.80
  6. Step 6: Final answer
    x = 3,613.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.