Home / 4,787.24-7,181.42-1,784.84

Finding the Fourth Proportional to 4,787.24, 7,181.42 and 1,784.84

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Solution

The fourth proportional to 4,787.24, 7,181.42 and 1,784.84 is: 2,677.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,787.24 : 7,181.42 = 1,784.84 : x
  2. Step 2: Convert to fraction form
    4,787.24/7,181.42 = 1,784.84/x
  3. Step 3: Cross multiply
    4,787.24x = 7,181.42 × 1,784.84
  4. Step 4: Simplify right side
    4,787.24x = 12,817,640.84
  5. Step 5: Solve for x
    x = 12,817,640.84/4,787.24
  6. Step 6: Final answer
    x = 2,677.46

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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.