Home / 4,479.36-6,181.68-2,490

Finding the Fourth Proportional to 4,479.36, 6,181.68 and 2,490

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Solution

The fourth proportional to 4,479.36, 6,181.68 and 2,490 is: 3,436.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,479.36 : 6,181.68 = 2,490 : x
  2. Step 2: Convert to fraction form
    4,479.36/6,181.68 = 2,490/x
  3. Step 3: Cross multiply
    4,479.36x = 6,181.68 × 2,490
  4. Step 4: Simplify right side
    4,479.36x = 15,392,383.20
  5. Step 5: Solve for x
    x = 15,392,383.20/4,479.36
  6. Step 6: Final answer
    x = 3,436.29

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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.