Home / 4,944.90-6,823.67-2,820.14

Finding the Fourth Proportional to 4,944.90, 6,823.67 and 2,820.14

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Solution

The fourth proportional to 4,944.90, 6,823.67 and 2,820.14 is: 3,891.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,944.90 : 6,823.67 = 2,820.14 : x
  2. Step 2: Convert to fraction form
    4,944.90/6,823.67 = 2,820.14/x
  3. Step 3: Cross multiply
    4,944.90x = 6,823.67 × 2,820.14
  4. Step 4: Simplify right side
    4,944.90x = 19,243,656.49
  5. Step 5: Solve for x
    x = 19,243,656.49/4,944.90
  6. Step 6: Final answer
    x = 3,891.62

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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.