Home / 4,587.45-6,878.07-2,739.39

Finding the Fourth Proportional to 4,587.45, 6,878.07 and 2,739.39

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Solution

The fourth proportional to 4,587.45, 6,878.07 and 2,739.39 is: 4,107.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,587.45 : 6,878.07 = 2,739.39 : x
  2. Step 2: Convert to fraction form
    4,587.45/6,878.07 = 2,739.39/x
  3. Step 3: Cross multiply
    4,587.45x = 6,878.07 × 2,739.39
  4. Step 4: Simplify right side
    4,587.45x = 18,841,716.18
  5. Step 5: Solve for x
    x = 18,841,716.18/4,587.45
  6. Step 6: Final answer
    x = 4,107.23

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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.