Home / 5,113.04-7,665.90-2,189.75

Finding the Fourth Proportional to 5,113.04, 7,665.90 and 2,189.75

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Solution

The fourth proportional to 5,113.04, 7,665.90 and 2,189.75 is: 3,283.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,113.04 : 7,665.90 = 2,189.75 : x
  2. Step 2: Convert to fraction form
    5,113.04/7,665.90 = 2,189.75/x
  3. Step 3: Cross multiply
    5,113.04x = 7,665.90 × 2,189.75
  4. Step 4: Simplify right side
    5,113.04x = 16,786,404.53
  5. Step 5: Solve for x
    x = 16,786,404.53/5,113.04
  6. Step 6: Final answer
    x = 3,283.06

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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.