Home / 4,858.68-7,279.38-2,387.64

Finding the Fourth Proportional to 4,858.68, 7,279.38 and 2,387.64

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Solution

The fourth proportional to 4,858.68, 7,279.38 and 2,387.64 is: 3,577.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,858.68 : 7,279.38 = 2,387.64 : x
  2. Step 2: Convert to fraction form
    4,858.68/7,279.38 = 2,387.64/x
  3. Step 3: Cross multiply
    4,858.68x = 7,279.38 × 2,387.64
  4. Step 4: Simplify right side
    4,858.68x = 17,380,538.86
  5. Step 5: Solve for x
    x = 17,380,538.86/4,858.68
  6. Step 6: Final answer
    x = 3,577.21

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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.