Home / 4,882.20-7,332.10-4,277.40

Finding the Fourth Proportional to 4,882.20, 7,332.10 and 4,277.40

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Solution

The fourth proportional to 4,882.20, 7,332.10 and 4,277.40 is: 6,423.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,882.20 : 7,332.10 = 4,277.40 : x
  2. Step 2: Convert to fraction form
    4,882.20/7,332.10 = 4,277.40/x
  3. Step 3: Cross multiply
    4,882.20x = 7,332.10 × 4,277.40
  4. Step 4: Simplify right side
    4,882.20x = 31,362,324.54
  5. Step 5: Solve for x
    x = 31,362,324.54/4,882.20
  6. Step 6: Final answer
    x = 6,423.81

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.