Home / 4,810.62-6,636.78-2,820.44

Finding the Fourth Proportional to 4,810.62, 6,636.78 and 2,820.44

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Solution

The fourth proportional to 4,810.62, 6,636.78 and 2,820.44 is: 3,891.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,810.62 : 6,636.78 = 2,820.44 : x
  2. Step 2: Convert to fraction form
    4,810.62/6,636.78 = 2,820.44/x
  3. Step 3: Cross multiply
    4,810.62x = 6,636.78 × 2,820.44
  4. Step 4: Simplify right side
    4,810.62x = 18,718,639.78
  5. Step 5: Solve for x
    x = 18,718,639.78/4,810.62
  6. Step 6: Final answer
    x = 3,891.11

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1.5x scale

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.