Home / 4,810.82-6,638.82-2,715

Finding the Fourth Proportional to 4,810.82, 6,638.82 and 2,715

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Solution

The fourth proportional to 4,810.82, 6,638.82 and 2,715 is: 3,746.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,810.82 : 6,638.82 = 2,715 : x
  2. Step 2: Convert to fraction form
    4,810.82/6,638.82 = 2,715/x
  3. Step 3: Cross multiply
    4,810.82x = 6,638.82 × 2,715
  4. Step 4: Simplify right side
    4,810.82x = 18,024,396.30
  5. Step 5: Solve for x
    x = 18,024,396.30/4,810.82
  6. Step 6: Final answer
    x = 3,746.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.