Home / 4,639.89-6,961-1,353.03

Finding the Fourth Proportional to 4,639.89, 6,961 and 1,353.03

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Solution

The fourth proportional to 4,639.89, 6,961 and 1,353.03 is: 2,029.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,639.89 : 6,961 = 1,353.03 : x
  2. Step 2: Convert to fraction form
    4,639.89/6,961 = 1,353.03/x
  3. Step 3: Cross multiply
    4,639.89x = 6,961 × 1,353.03
  4. Step 4: Simplify right side
    4,639.89x = 9,418,441.83
  5. Step 5: Solve for x
    x = 9,418,441.83/4,639.89
  6. Step 6: Final answer
    x = 2,029.88

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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.