Home / 4,820-6,651.60-2,724.64

Finding the Fourth Proportional to 4,820, 6,651.60 and 2,724.64

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Solution

The fourth proportional to 4,820, 6,651.60 and 2,724.64 is: 3,760.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,820 : 6,651.60 = 2,724.64 : x
  2. Step 2: Convert to fraction form
    4,820/6,651.60 = 2,724.64/x
  3. Step 3: Cross multiply
    4,820x = 6,651.60 × 2,724.64
  4. Step 4: Simplify right side
    4,820x = 18,123,215.42
  5. Step 5: Solve for x
    x = 18,123,215.42/4,820
  6. Step 6: Final answer
    x = 3,760.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.