Home / 4,478.45-6,181.07-2,589.80

Finding the Fourth Proportional to 4,478.45, 6,181.07 and 2,589.80

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Solution

The fourth proportional to 4,478.45, 6,181.07 and 2,589.80 is: 3,574.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,478.45 : 6,181.07 = 2,589.80 : x
  2. Step 2: Convert to fraction form
    4,478.45/6,181.07 = 2,589.80/x
  3. Step 3: Cross multiply
    4,478.45x = 6,181.07 × 2,589.80
  4. Step 4: Simplify right side
    4,478.45x = 16,007,691.23
  5. Step 5: Solve for x
    x = 16,007,691.23/4,478.45
  6. Step 6: Final answer
    x = 3,574.39

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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.