Home / 4,917.28-7,377.29-2,144.19

Finding the Fourth Proportional to 4,917.28, 7,377.29 and 2,144.19

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Solution

The fourth proportional to 4,917.28, 7,377.29 and 2,144.19 is: 3,216.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,917.28 : 7,377.29 = 2,144.19 : x
  2. Step 2: Convert to fraction form
    4,917.28/7,377.29 = 2,144.19/x
  3. Step 3: Cross multiply
    4,917.28x = 7,377.29 × 2,144.19
  4. Step 4: Simplify right side
    4,917.28x = 15,818,328.39
  5. Step 5: Solve for x
    x = 15,818,328.39/4,917.28
  6. Step 6: Final answer
    x = 3,216.89

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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.