Home / 4,479.64-6,181.95-2,490.28

Finding the Fourth Proportional to 4,479.64, 6,181.95 and 2,490.28

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Solution

The fourth proportional to 4,479.64, 6,181.95 and 2,490.28 is: 3,436.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,479.64 : 6,181.95 = 2,490.28 : x
  2. Step 2: Convert to fraction form
    4,479.64/6,181.95 = 2,490.28/x
  3. Step 3: Cross multiply
    4,479.64x = 6,181.95 × 2,490.28
  4. Step 4: Simplify right side
    4,479.64x = 15,394,786.45
  5. Step 5: Solve for x
    x = 15,394,786.45/4,479.64
  6. Step 6: Final answer
    x = 3,436.61

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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.