Home / 5,325.26-7,990.37-2,730.02

Finding the Fourth Proportional to 5,325.26, 7,990.37 and 2,730.02

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Solution

The fourth proportional to 5,325.26, 7,990.37 and 2,730.02 is: 4,096.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,325.26 : 7,990.37 = 2,730.02 : x
  2. Step 2: Convert to fraction form
    5,325.26/7,990.37 = 2,730.02/x
  3. Step 3: Cross multiply
    5,325.26x = 7,990.37 × 2,730.02
  4. Step 4: Simplify right side
    5,325.26x = 21,813,869.91
  5. Step 5: Solve for x
    x = 21,813,869.91/5,325.26
  6. Step 6: Final answer
    x = 4,096.30

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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.