Home / 4,839.72-7,259.56-1,376.96

Finding the Fourth Proportional to 4,839.72, 7,259.56 and 1,376.96

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Solution

The fourth proportional to 4,839.72, 7,259.56 and 1,376.96 is: 2,065.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,839.72 : 7,259.56 = 1,376.96 : x
  2. Step 2: Convert to fraction form
    4,839.72/7,259.56 = 1,376.96/x
  3. Step 3: Cross multiply
    4,839.72x = 7,259.56 × 1,376.96
  4. Step 4: Simplify right side
    4,839.72x = 9,996,123.74
  5. Step 5: Solve for x
    x = 9,996,123.74/4,839.72
  6. Step 6: Final answer
    x = 2,065.43

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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.