Home / 5,312.62-7,961.64-2,710.09

Finding the Fourth Proportional to 5,312.62, 7,961.64 and 2,710.09

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Solution

The fourth proportional to 5,312.62, 7,961.64 and 2,710.09 is: 4,061.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,312.62 : 7,961.64 = 2,710.09 : x
  2. Step 2: Convert to fraction form
    5,312.62/7,961.64 = 2,710.09/x
  3. Step 3: Cross multiply
    5,312.62x = 7,961.64 × 2,710.09
  4. Step 4: Simplify right side
    5,312.62x = 21,576,760.95
  5. Step 5: Solve for x
    x = 21,576,760.95/5,312.62
  6. Step 6: Final answer
    x = 4,061.42

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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.