Home / 4,807.28-7,201.56-2,720.98

Finding the Fourth Proportional to 4,807.28, 7,201.56 and 2,720.98

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Solution

The fourth proportional to 4,807.28, 7,201.56 and 2,720.98 is: 4,076.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,807.28 : 7,201.56 = 2,720.98 : x
  2. Step 2: Convert to fraction form
    4,807.28/7,201.56 = 2,720.98/x
  3. Step 3: Cross multiply
    4,807.28x = 7,201.56 × 2,720.98
  4. Step 4: Simplify right side
    4,807.28x = 19,595,300.73
  5. Step 5: Solve for x
    x = 19,595,300.73/4,807.28
  6. Step 6: Final answer
    x = 4,076.17

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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.