Home / 9,450.54-13,040.36-5,672.91

Finding the Fourth Proportional to 9,450.54, 13,040.36 and 5,672.91

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Solution

The fourth proportional to 9,450.54, 13,040.36 and 5,672.91 is: 7,827.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,450.54 : 13,040.36 = 5,672.91 : x
  2. Step 2: Convert to fraction form
    9,450.54/13,040.36 = 5,672.91/x
  3. Step 3: Cross multiply
    9,450.54x = 13,040.36 × 5,672.91
  4. Step 4: Simplify right side
    9,450.54x = 73,976,788.65
  5. Step 5: Solve for x
    x = 73,976,788.65/9,450.54
  6. Step 6: Final answer
    x = 7,827.78

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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.