Home / 5,317.89-7,956.86-3,761.73

Finding the Fourth Proportional to 5,317.89, 7,956.86 and 3,761.73

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Solution

The fourth proportional to 5,317.89, 7,956.86 and 3,761.73 is: 5,628.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,317.89 : 7,956.86 = 3,761.73 : x
  2. Step 2: Convert to fraction form
    5,317.89/7,956.86 = 3,761.73/x
  3. Step 3: Cross multiply
    5,317.89x = 7,956.86 × 3,761.73
  4. Step 4: Simplify right side
    5,317.89x = 29,931,540.16
  5. Step 5: Solve for x
    x = 29,931,540.16/5,317.89
  6. Step 6: Final answer
    x = 5,628.46

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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.