Home / 4,600.21-6,891.64-2,720.49

Finding the Fourth Proportional to 4,600.21, 6,891.64 and 2,720.49

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Solution

The fourth proportional to 4,600.21, 6,891.64 and 2,720.49 is: 4,075.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,600.21 : 6,891.64 = 2,720.49 : x
  2. Step 2: Convert to fraction form
    4,600.21/6,891.64 = 2,720.49/x
  3. Step 3: Cross multiply
    4,600.21x = 6,891.64 × 2,720.49
  4. Step 4: Simplify right side
    4,600.21x = 18,748,630.90
  5. Step 5: Solve for x
    x = 18,748,630.90/4,600.21
  6. Step 6: Final answer
    x = 4,075.61

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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.