Home / 7,696.89-10,621.68-4,160.09

Finding the Fourth Proportional to 7,696.89, 10,621.68 and 4,160.09

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Solution

The fourth proportional to 7,696.89, 10,621.68 and 4,160.09 is: 5,740.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,696.89 : 10,621.68 = 4,160.09 : x
  2. Step 2: Convert to fraction form
    7,696.89/10,621.68 = 4,160.09/x
  3. Step 3: Cross multiply
    7,696.89x = 10,621.68 × 4,160.09
  4. Step 4: Simplify right side
    7,696.89x = 44,187,091.64
  5. Step 5: Solve for x
    x = 44,187,091.64/7,696.89
  6. Step 6: Final answer
    x = 5,740.91

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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.