Home / 5,321.72-7,344.96-3,085.04

Finding the Fourth Proportional to 5,321.72, 7,344.96 and 3,085.04

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Solution

The fourth proportional to 5,321.72, 7,344.96 and 3,085.04 is: 4,257.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,321.72 : 7,344.96 = 3,085.04 : x
  2. Step 2: Convert to fraction form
    5,321.72/7,344.96 = 3,085.04/x
  3. Step 3: Cross multiply
    5,321.72x = 7,344.96 × 3,085.04
  4. Step 4: Simplify right side
    5,321.72x = 22,659,495.40
  5. Step 5: Solve for x
    x = 22,659,495.40/5,321.72
  6. Step 6: Final answer
    x = 4,257.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.