Home / 4,578.98-6,862.39-2,387.12

Finding the Fourth Proportional to 4,578.98, 6,862.39 and 2,387.12

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Solution

The fourth proportional to 4,578.98, 6,862.39 and 2,387.12 is: 3,577.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,578.98 : 6,862.39 = 2,387.12 : x
  2. Step 2: Convert to fraction form
    4,578.98/6,862.39 = 2,387.12/x
  3. Step 3: Cross multiply
    4,578.98x = 6,862.39 × 2,387.12
  4. Step 4: Simplify right side
    4,578.98x = 16,381,308.14
  5. Step 5: Solve for x
    x = 16,381,308.14/4,578.98
  6. Step 6: Final answer
    x = 3,577.51

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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.