Home / 7,160.89-10,731.09-3,153.46

Finding the Fourth Proportional to 7,160.89, 10,731.09 and 3,153.46

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Solution

The fourth proportional to 7,160.89, 10,731.09 and 3,153.46 is: 4,725.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,160.89 : 10,731.09 = 3,153.46 : x
  2. Step 2: Convert to fraction form
    7,160.89/10,731.09 = 3,153.46/x
  3. Step 3: Cross multiply
    7,160.89x = 10,731.09 × 3,153.46
  4. Step 4: Simplify right side
    7,160.89x = 33,840,063.07
  5. Step 5: Solve for x
    x = 33,840,063.07/7,160.89
  6. Step 6: Final answer
    x = 4,725.68

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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.