Home / 5,988.40-8,261.72-3,629.68

Finding the Fourth Proportional to 5,988.40, 8,261.72 and 3,629.68

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Solution

The fourth proportional to 5,988.40, 8,261.72 and 3,629.68 is: 5,007.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,988.40 : 8,261.72 = 3,629.68 : x
  2. Step 2: Convert to fraction form
    5,988.40/8,261.72 = 3,629.68/x
  3. Step 3: Cross multiply
    5,988.40x = 8,261.72 × 3,629.68
  4. Step 4: Simplify right side
    5,988.40x = 29,987,399.85
  5. Step 5: Solve for x
    x = 29,987,399.85/5,988.40
  6. Step 6: Final answer
    x = 5,007.58

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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.