Home / 4,976.10-6,861.32-3,181.18

Finding the Fourth Proportional to 4,976.10, 6,861.32 and 3,181.18

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Solution

The fourth proportional to 4,976.10, 6,861.32 and 3,181.18 is: 4,386.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,976.10 : 6,861.32 = 3,181.18 : x
  2. Step 2: Convert to fraction form
    4,976.10/6,861.32 = 3,181.18/x
  3. Step 3: Cross multiply
    4,976.10x = 6,861.32 × 3,181.18
  4. Step 4: Simplify right side
    4,976.10x = 21,827,093.96
  5. Step 5: Solve for x
    x = 21,827,093.96/4,976.10
  6. Step 6: Final answer
    x = 4,386.39

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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.