Home / 6,728.49-10,084.50-5,079.87

Finding the Fourth Proportional to 6,728.49, 10,084.50 and 5,079.87

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Solution

The fourth proportional to 6,728.49, 10,084.50 and 5,079.87 is: 7,613.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,728.49 : 10,084.50 = 5,079.87 : x
  2. Step 2: Convert to fraction form
    6,728.49/10,084.50 = 5,079.87/x
  3. Step 3: Cross multiply
    6,728.49x = 10,084.50 × 5,079.87
  4. Step 4: Simplify right side
    6,728.49x = 51,227,949.02
  5. Step 5: Solve for x
    x = 51,227,949.02/6,728.49
  6. Step 6: Final answer
    x = 7,613.59

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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.