Home / 4,479.28-6,181.44-2,490.02

Finding the Fourth Proportional to 4,479.28, 6,181.44 and 2,490.02

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Solution

The fourth proportional to 4,479.28, 6,181.44 and 2,490.02 is: 3,436.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,479.28 : 6,181.44 = 2,490.02 : x
  2. Step 2: Convert to fraction form
    4,479.28/6,181.44 = 2,490.02/x
  3. Step 3: Cross multiply
    4,479.28x = 6,181.44 × 2,490.02
  4. Step 4: Simplify right side
    4,479.28x = 15,391,909.23
  5. Step 5: Solve for x
    x = 15,391,909.23/4,479.28
  6. Step 6: Final answer
    x = 3,436.25

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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.