Home / 5,431.75-7,495.82-3,073.90

Finding the Fourth Proportional to 5,431.75, 7,495.82 and 3,073.90

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Solution

The fourth proportional to 5,431.75, 7,495.82 and 3,073.90 is: 4,241.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,431.75 : 7,495.82 = 3,073.90 : x
  2. Step 2: Convert to fraction form
    5,431.75/7,495.82 = 3,073.90/x
  3. Step 3: Cross multiply
    5,431.75x = 7,495.82 × 3,073.90
  4. Step 4: Simplify right side
    5,431.75x = 23,041,366.99
  5. Step 5: Solve for x
    x = 23,041,366.99/5,431.75
  6. Step 6: Final answer
    x = 4,241.98

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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.