Home / 4,958.40-7,428.60-3,925.20

Finding the Fourth Proportional to 4,958.40, 7,428.60 and 3,925.20

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Solution

The fourth proportional to 4,958.40, 7,428.60 and 3,925.20 is: 5,880.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,958.40 : 7,428.60 = 3,925.20 : x
  2. Step 2: Convert to fraction form
    4,958.40/7,428.60 = 3,925.20/x
  3. Step 3: Cross multiply
    4,958.40x = 7,428.60 × 3,925.20
  4. Step 4: Simplify right side
    4,958.40x = 29,158,740.72
  5. Step 5: Solve for x
    x = 29,158,740.72/4,958.40
  6. Step 6: Final answer
    x = 5,880.68

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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.