Home / 4,912.72-7,369.88-1,450.32

Finding the Fourth Proportional to 4,912.72, 7,369.88 and 1,450.32

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Solution

The fourth proportional to 4,912.72, 7,369.88 and 1,450.32 is: 2,175.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,912.72 : 7,369.88 = 1,450.32 : x
  2. Step 2: Convert to fraction form
    4,912.72/7,369.88 = 1,450.32/x
  3. Step 3: Cross multiply
    4,912.72x = 7,369.88 × 1,450.32
  4. Step 4: Simplify right side
    4,912.72x = 10,688,684.36
  5. Step 5: Solve for x
    x = 10,688,684.36/4,912.72
  6. Step 6: Final answer
    x = 2,175.72

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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.