Home / 5,084.89-7,017.81-2,847.62

Finding the Fourth Proportional to 5,084.89, 7,017.81 and 2,847.62

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Solution

The fourth proportional to 5,084.89, 7,017.81 and 2,847.62 is: 3,930.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,084.89 : 7,017.81 = 2,847.62 : x
  2. Step 2: Convert to fraction form
    5,084.89/7,017.81 = 2,847.62/x
  3. Step 3: Cross multiply
    5,084.89x = 7,017.81 × 2,847.62
  4. Step 4: Simplify right side
    5,084.89x = 19,984,056.11
  5. Step 5: Solve for x
    x = 19,984,056.11/5,084.89
  6. Step 6: Final answer
    x = 3,930.09

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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.