Home / 5,273.57-7,909.81-1,377.97

Finding the Fourth Proportional to 5,273.57, 7,909.81 and 1,377.97

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Solution

The fourth proportional to 5,273.57, 7,909.81 and 1,377.97 is: 2,066.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,273.57 : 7,909.81 = 1,377.97 : x
  2. Step 2: Convert to fraction form
    5,273.57/7,909.81 = 1,377.97/x
  3. Step 3: Cross multiply
    5,273.57x = 7,909.81 × 1,377.97
  4. Step 4: Simplify right side
    5,273.57x = 10,899,457.67
  5. Step 5: Solve for x
    x = 10,899,457.67/5,273.57
  6. Step 6: Final answer
    x = 2,066.81

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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.