Home / 4,479.40-6,181.60-2,490.14

Finding the Fourth Proportional to 4,479.40, 6,181.60 and 2,490.14

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Solution

The fourth proportional to 4,479.40, 6,181.60 and 2,490.14 is: 3,436.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,479.40 : 6,181.60 = 2,490.14 : x
  2. Step 2: Convert to fraction form
    4,479.40/6,181.60 = 2,490.14/x
  3. Step 3: Cross multiply
    4,479.40x = 6,181.60 × 2,490.14
  4. Step 4: Simplify right side
    4,479.40x = 15,393,036.97
  5. Step 5: Solve for x
    x = 15,393,036.97/4,479.40
  6. Step 6: Final answer
    x = 3,436.41

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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.