Home / 4,354.21-6,519.16-2,891.35

Finding the Fourth Proportional to 4,354.21, 6,519.16 and 2,891.35

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Solution

The fourth proportional to 4,354.21, 6,519.16 and 2,891.35 is: 4,328.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,354.21 : 6,519.16 = 2,891.35 : x
  2. Step 2: Convert to fraction form
    4,354.21/6,519.16 = 2,891.35/x
  3. Step 3: Cross multiply
    4,354.21x = 6,519.16 × 2,891.35
  4. Step 4: Simplify right side
    4,354.21x = 18,849,173.27
  5. Step 5: Solve for x
    x = 18,849,173.27/4,354.21
  6. Step 6: Final answer
    x = 4,328.95

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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.