Home / 4,479.28-6,181.45-2,490.05

Finding the Fourth Proportional to 4,479.28, 6,181.45 and 2,490.05

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Solution

The fourth proportional to 4,479.28, 6,181.45 and 2,490.05 is: 3,436.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,479.28 : 6,181.45 = 2,490.05 : x
  2. Step 2: Convert to fraction form
    4,479.28/6,181.45 = 2,490.05/x
  3. Step 3: Cross multiply
    4,479.28x = 6,181.45 × 2,490.05
  4. Step 4: Simplify right side
    4,479.28x = 15,392,128.80
  5. Step 5: Solve for x
    x = 15,392,128.80/4,479.28
  6. Step 6: Final answer
    x = 3,436.30

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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.