Home / 5,352.72-7,387.56-3,083.64

Finding the Fourth Proportional to 5,352.72, 7,387.56 and 3,083.64

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Solution

The fourth proportional to 5,352.72, 7,387.56 and 3,083.64 is: 4,255.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,352.72 : 7,387.56 = 3,083.64 : x
  2. Step 2: Convert to fraction form
    5,352.72/7,387.56 = 3,083.64/x
  3. Step 3: Cross multiply
    5,352.72x = 7,387.56 × 3,083.64
  4. Step 4: Simplify right side
    5,352.72x = 22,780,575.52
  5. Step 5: Solve for x
    x = 22,780,575.52/5,352.72
  6. Step 6: Final answer
    x = 4,255.89

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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.