Home / 4,223.84-5,829.83-2,809.98

Finding the Fourth Proportional to 4,223.84, 5,829.83 and 2,809.98

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Solution

The fourth proportional to 4,223.84, 5,829.83 and 2,809.98 is: 3,878.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,223.84 : 5,829.83 = 2,809.98 : x
  2. Step 2: Convert to fraction form
    4,223.84/5,829.83 = 2,809.98/x
  3. Step 3: Cross multiply
    4,223.84x = 5,829.83 × 2,809.98
  4. Step 4: Simplify right side
    4,223.84x = 16,381,691.65
  5. Step 5: Solve for x
    x = 16,381,691.65/4,223.84
  6. Step 6: Final answer
    x = 3,878.39

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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.