Home / 4,827.30-7,228.80-3,855.30

Finding the Fourth Proportional to 4,827.30, 7,228.80 and 3,855.30

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Solution

The fourth proportional to 4,827.30, 7,228.80 and 3,855.30 is: 5,773.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,827.30 : 7,228.80 = 3,855.30 : x
  2. Step 2: Convert to fraction form
    4,827.30/7,228.80 = 3,855.30/x
  3. Step 3: Cross multiply
    4,827.30x = 7,228.80 × 3,855.30
  4. Step 4: Simplify right side
    4,827.30x = 27,869,192.64
  5. Step 5: Solve for x
    x = 27,869,192.64/4,827.30
  6. Step 6: Final answer
    x = 5,773.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.