Home / 5,450.36-7,512.36-4,173.80

Finding the Fourth Proportional to 5,450.36, 7,512.36 and 4,173.80

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Solution

The fourth proportional to 5,450.36, 7,512.36 and 4,173.80 is: 5,752.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,450.36 : 7,512.36 = 4,173.80 : x
  2. Step 2: Convert to fraction form
    5,450.36/7,512.36 = 4,173.80/x
  3. Step 3: Cross multiply
    5,450.36x = 7,512.36 × 4,173.80
  4. Step 4: Simplify right side
    5,450.36x = 31,355,088.17
  5. Step 5: Solve for x
    x = 31,355,088.17/5,450.36
  6. Step 6: Final answer
    x = 5,752.85

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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.