Home / 4,782.53-7,172.48-3,391.77

Finding the Fourth Proportional to 4,782.53, 7,172.48 and 3,391.77

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Solution

The fourth proportional to 4,782.53, 7,172.48 and 3,391.77 is: 5,086.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,782.53 : 7,172.48 = 3,391.77 : x
  2. Step 2: Convert to fraction form
    4,782.53/7,172.48 = 3,391.77/x
  3. Step 3: Cross multiply
    4,782.53x = 7,172.48 × 3,391.77
  4. Step 4: Simplify right side
    4,782.53x = 24,327,385.53
  5. Step 5: Solve for x
    x = 24,327,385.53/4,782.53
  6. Step 6: Final answer
    x = 5,086.72

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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.