Home / 4,956.40-7,425.60-3,923.20

Finding the Fourth Proportional to 4,956.40, 7,425.60 and 3,923.20

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Solution

The fourth proportional to 4,956.40, 7,425.60 and 3,923.20 is: 5,877.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,956.40 : 7,425.60 = 3,923.20 : x
  2. Step 2: Convert to fraction form
    4,956.40/7,425.60 = 3,923.20/x
  3. Step 3: Cross multiply
    4,956.40x = 7,425.60 × 3,923.20
  4. Step 4: Simplify right side
    4,956.40x = 29,132,113.92
  5. Step 5: Solve for x
    x = 29,132,113.92/4,956.40
  6. Step 6: Final answer
    x = 5,877.68

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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.