Home / 5,321.25-7,971.48-4,082.59

Finding the Fourth Proportional to 5,321.25, 7,971.48 and 4,082.59

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Solution

The fourth proportional to 5,321.25, 7,971.48 and 4,082.59 is: 6,115.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,321.25 : 7,971.48 = 4,082.59 : x
  2. Step 2: Convert to fraction form
    5,321.25/7,971.48 = 4,082.59/x
  3. Step 3: Cross multiply
    5,321.25x = 7,971.48 × 4,082.59
  4. Step 4: Simplify right side
    5,321.25x = 32,544,294.50
  5. Step 5: Solve for x
    x = 32,544,294.50/5,321.25
  6. Step 6: Final answer
    x = 6,115.91

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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.