Home / 4,639.28-6,964.85-3,985.34

Finding the Fourth Proportional to 4,639.28, 6,964.85 and 3,985.34

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Solution

The fourth proportional to 4,639.28, 6,964.85 and 3,985.34 is: 5,983.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,639.28 : 6,964.85 = 3,985.34 : x
  2. Step 2: Convert to fraction form
    4,639.28/6,964.85 = 3,985.34/x
  3. Step 3: Cross multiply
    4,639.28x = 6,964.85 × 3,985.34
  4. Step 4: Simplify right side
    4,639.28x = 27,757,270.44
  5. Step 5: Solve for x
    x = 27,757,270.44/4,639.28
  6. Step 6: Final answer
    x = 5,983.11

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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.