Home / 5,132.90-7,699.55-2,321.21

Finding the Fourth Proportional to 5,132.90, 7,699.55 and 2,321.21

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Solution

The fourth proportional to 5,132.90, 7,699.55 and 2,321.21 is: 3,481.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,132.90 : 7,699.55 = 2,321.21 : x
  2. Step 2: Convert to fraction form
    5,132.90/7,699.55 = 2,321.21/x
  3. Step 3: Cross multiply
    5,132.90x = 7,699.55 × 2,321.21
  4. Step 4: Simplify right side
    5,132.90x = 17,872,222.35
  5. Step 5: Solve for x
    x = 17,872,222.35/5,132.90
  6. Step 6: Final answer
    x = 3,481.90

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1.5x scale

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.