Home / 5,358.44-7,395-3,121.04

Finding the Fourth Proportional to 5,358.44, 7,395 and 3,121.04

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Solution

The fourth proportional to 5,358.44, 7,395 and 3,121.04 is: 4,307.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,358.44 : 7,395 = 3,121.04 : x
  2. Step 2: Convert to fraction form
    5,358.44/7,395 = 3,121.04/x
  3. Step 3: Cross multiply
    5,358.44x = 7,395 × 3,121.04
  4. Step 4: Simplify right side
    5,358.44x = 23,080,090.80
  5. Step 5: Solve for x
    x = 23,080,090.80/5,358.44
  6. Step 6: Final answer
    x = 4,307.24

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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.