Home / 5,450.31-7,525.67-4,189.41

Finding the Fourth Proportional to 5,450.31, 7,525.67 and 4,189.41

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Solution

The fourth proportional to 5,450.31, 7,525.67 and 4,189.41 is: 5,784.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,450.31 : 7,525.67 = 4,189.41 : x
  2. Step 2: Convert to fraction form
    5,450.31/7,525.67 = 4,189.41/x
  3. Step 3: Cross multiply
    5,450.31x = 7,525.67 × 4,189.41
  4. Step 4: Simplify right side
    5,450.31x = 31,528,096.21
  5. Step 5: Solve for x
    x = 31,528,096.21/5,450.31
  6. Step 6: Final answer
    x = 5,784.64

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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.