Home / 4,479.27-6,181.77-2,490.21

Finding the Fourth Proportional to 4,479.27, 6,181.77 and 2,490.21

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Solution

The fourth proportional to 4,479.27, 6,181.77 and 2,490.21 is: 3,436.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,479.27 : 6,181.77 = 2,490.21 : x
  2. Step 2: Convert to fraction form
    4,479.27/6,181.77 = 2,490.21/x
  3. Step 3: Cross multiply
    4,479.27x = 6,181.77 × 2,490.21
  4. Step 4: Simplify right side
    4,479.27x = 15,393,905.47
  5. Step 5: Solve for x
    x = 15,393,905.47/4,479.27
  6. Step 6: Final answer
    x = 3,436.70

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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.