Home / 4,377.84-6,039.72-2,806.80

Finding the Fourth Proportional to 4,377.84, 6,039.72 and 2,806.80

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Solution

The fourth proportional to 4,377.84, 6,039.72 and 2,806.80 is: 3,872.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,377.84 : 6,039.72 = 2,806.80 : x
  2. Step 2: Convert to fraction form
    4,377.84/6,039.72 = 2,806.80/x
  3. Step 3: Cross multiply
    4,377.84x = 6,039.72 × 2,806.80
  4. Step 4: Simplify right side
    4,377.84x = 16,952,286.10
  5. Step 5: Solve for x
    x = 16,952,286.10/4,377.84
  6. Step 6: Final answer
    x = 3,872.29

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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.