Home / 4,765.44-7,141.52-3,720.72

Finding the Fourth Proportional to 4,765.44, 7,141.52 and 3,720.72

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Solution

The fourth proportional to 4,765.44, 7,141.52 and 3,720.72 is: 5,575.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,765.44 : 7,141.52 = 3,720.72 : x
  2. Step 2: Convert to fraction form
    4,765.44/7,141.52 = 3,720.72/x
  3. Step 3: Cross multiply
    4,765.44x = 7,141.52 × 3,720.72
  4. Step 4: Simplify right side
    4,765.44x = 26,571,596.29
  5. Step 5: Solve for x
    x = 26,571,596.29/4,765.44
  6. Step 6: Final answer
    x = 5,575.90

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1.5x scale

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.