Home / 5,384.88-8,079.41-2,611.35

Finding the Fourth Proportional to 5,384.88, 8,079.41 and 2,611.35

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Solution

The fourth proportional to 5,384.88, 8,079.41 and 2,611.35 is: 3,918.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,384.88 : 8,079.41 = 2,611.35 : x
  2. Step 2: Convert to fraction form
    5,384.88/8,079.41 = 2,611.35/x
  3. Step 3: Cross multiply
    5,384.88x = 8,079.41 × 2,611.35
  4. Step 4: Simplify right side
    5,384.88x = 21,098,154.25
  5. Step 5: Solve for x
    x = 21,098,154.25/5,384.88
  6. Step 6: Final answer
    x = 3,918.04

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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.