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Finding the Fourth Proportional to 5,084.79, 7,627.79 and 1,797.21

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Solution

The fourth proportional to 5,084.79, 7,627.79 and 1,797.21 is: 2,696.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,084.79 : 7,627.79 = 1,797.21 : x
  2. Step 2: Convert to fraction form
    5,084.79/7,627.79 = 1,797.21/x
  3. Step 3: Cross multiply
    5,084.79x = 7,627.79 × 1,797.21
  4. Step 4: Simplify right side
    5,084.79x = 13,708,731.48
  5. Step 5: Solve for x
    x = 13,708,731.48/5,084.79
  6. Step 6: Final answer
    x = 2,696.03

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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.