Home / 5,419.33-8,130.12-3,080.41

Finding the Fourth Proportional to 5,419.33, 8,130.12 and 3,080.41

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Solution

The fourth proportional to 5,419.33, 8,130.12 and 3,080.41 is: 4,621.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,419.33 : 8,130.12 = 3,080.41 : x
  2. Step 2: Convert to fraction form
    5,419.33/8,130.12 = 3,080.41/x
  3. Step 3: Cross multiply
    5,419.33x = 8,130.12 × 3,080.41
  4. Step 4: Simplify right side
    5,419.33x = 25,044,102.95
  5. Step 5: Solve for x
    x = 25,044,102.95/5,419.33
  6. Step 6: Final answer
    x = 4,621.26

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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.