Home / 7,391.67-11,089.53-3,689.43

Finding the Fourth Proportional to 7,391.67, 11,089.53 and 3,689.43

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Solution

The fourth proportional to 7,391.67, 11,089.53 and 3,689.43 is: 5,535.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,391.67 : 11,089.53 = 3,689.43 : x
  2. Step 2: Convert to fraction form
    7,391.67/11,089.53 = 3,689.43/x
  3. Step 3: Cross multiply
    7,391.67x = 11,089.53 × 3,689.43
  4. Step 4: Simplify right side
    7,391.67x = 40,914,044.67
  5. Step 5: Solve for x
    x = 40,914,044.67/7,391.67
  6. Step 6: Final answer
    x = 5,535.16

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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.