Home / 7,305.68-10,082.82-4,119.60

Finding the Fourth Proportional to 7,305.68, 10,082.82 and 4,119.60

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Solution

The fourth proportional to 7,305.68, 10,082.82 and 4,119.60 is: 5,685.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,305.68 : 10,082.82 = 4,119.60 : x
  2. Step 2: Convert to fraction form
    7,305.68/10,082.82 = 4,119.60/x
  3. Step 3: Cross multiply
    7,305.68x = 10,082.82 × 4,119.60
  4. Step 4: Simplify right side
    7,305.68x = 41,537,185.27
  5. Step 5: Solve for x
    x = 41,537,185.27/7,305.68
  6. Step 6: Final answer
    x = 5,685.60

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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.