Home / 4,985.82-7,474.41-2,929.50

Finding the Fourth Proportional to 4,985.82, 7,474.41 and 2,929.50

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Solution

The fourth proportional to 4,985.82, 7,474.41 and 2,929.50 is: 4,391.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,985.82 : 7,474.41 = 2,929.50 : x
  2. Step 2: Convert to fraction form
    4,985.82/7,474.41 = 2,929.50/x
  3. Step 3: Cross multiply
    4,985.82x = 7,474.41 × 2,929.50
  4. Step 4: Simplify right side
    4,985.82x = 21,896,284.10
  5. Step 5: Solve for x
    x = 21,896,284.10/4,985.82
  6. Step 6: Final answer
    x = 4,391.71

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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.