Home / 4,941.12-6,817.68-3,149.28

Finding the Fourth Proportional to 4,941.12, 6,817.68 and 3,149.28

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Solution

The fourth proportional to 4,941.12, 6,817.68 and 3,149.28 is: 4,345.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,941.12 : 6,817.68 = 3,149.28 : x
  2. Step 2: Convert to fraction form
    4,941.12/6,817.68 = 3,149.28/x
  3. Step 3: Cross multiply
    4,941.12x = 6,817.68 × 3,149.28
  4. Step 4: Simplify right side
    4,941.12x = 21,470,783.27
  5. Step 5: Solve for x
    x = 21,470,783.27/4,941.12
  6. Step 6: Final answer
    x = 4,345.33

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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.