Home / 5,285.45-7,940.33-3,729.04

Finding the Fourth Proportional to 5,285.45, 7,940.33 and 3,729.04

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Solution

The fourth proportional to 5,285.45, 7,940.33 and 3,729.04 is: 5,602.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,285.45 : 7,940.33 = 3,729.04 : x
  2. Step 2: Convert to fraction form
    5,285.45/7,940.33 = 3,729.04/x
  3. Step 3: Cross multiply
    5,285.45x = 7,940.33 × 3,729.04
  4. Step 4: Simplify right side
    5,285.45x = 29,609,808.18
  5. Step 5: Solve for x
    x = 29,609,808.18/5,285.45
  6. Step 6: Final answer
    x = 5,602.14

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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.