Home / 5,147.04-7,720.26-3,173.02

Finding the Fourth Proportional to 5,147.04, 7,720.26 and 3,173.02

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Solution

The fourth proportional to 5,147.04, 7,720.26 and 3,173.02 is: 4,759.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,147.04 : 7,720.26 = 3,173.02 : x
  2. Step 2: Convert to fraction form
    5,147.04/7,720.26 = 3,173.02/x
  3. Step 3: Cross multiply
    5,147.04x = 7,720.26 × 3,173.02
  4. Step 4: Simplify right side
    5,147.04x = 24,496,569.46
  5. Step 5: Solve for x
    x = 24,496,569.46/5,147.04
  6. Step 6: Final answer
    x = 4,759.35

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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.