Home / 7,161.89-10,732.59-3,154.46

Finding the Fourth Proportional to 7,161.89, 10,732.59 and 3,154.46

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Solution

The fourth proportional to 7,161.89, 10,732.59 and 3,154.46 is: 4,727.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,161.89 : 10,732.59 = 3,154.46 : x
  2. Step 2: Convert to fraction form
    7,161.89/10,732.59 = 3,154.46/x
  3. Step 3: Cross multiply
    7,161.89x = 10,732.59 × 3,154.46
  4. Step 4: Simplify right side
    7,161.89x = 33,855,525.85
  5. Step 5: Solve for x
    x = 33,855,525.85/7,161.89
  6. Step 6: Final answer
    x = 4,727.18

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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.