Home / 7,171.65-10,753.30-2,783.98

Finding the Fourth Proportional to 7,171.65, 10,753.30 and 2,783.98

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Solution

The fourth proportional to 7,171.65, 10,753.30 and 2,783.98 is: 4,174.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,171.65 : 10,753.30 = 2,783.98 : x
  2. Step 2: Convert to fraction form
    7,171.65/10,753.30 = 2,783.98/x
  3. Step 3: Cross multiply
    7,171.65x = 10,753.30 × 2,783.98
  4. Step 4: Simplify right side
    7,171.65x = 29,936,972.13
  5. Step 5: Solve for x
    x = 29,936,972.13/7,171.65
  6. Step 6: Final answer
    x = 4,174.35

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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.