Home / 4,479.42-6,181.62-2,490

Finding the Fourth Proportional to 4,479.42, 6,181.62 and 2,490

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Solution

The fourth proportional to 4,479.42, 6,181.62 and 2,490 is: 3,436.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,479.42 : 6,181.62 = 2,490 : x
  2. Step 2: Convert to fraction form
    4,479.42/6,181.62 = 2,490/x
  3. Step 3: Cross multiply
    4,479.42x = 6,181.62 × 2,490
  4. Step 4: Simplify right side
    4,479.42x = 15,392,233.80
  5. Step 5: Solve for x
    x = 15,392,233.80/4,479.42
  6. Step 6: Final answer
    x = 3,436.21

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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.