Home / 4,553.71-6,816.25-3,139.87

Finding the Fourth Proportional to 4,553.71, 6,816.25 and 3,139.87

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Solution

The fourth proportional to 4,553.71, 6,816.25 and 3,139.87 is: 4,699.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,553.71 : 6,816.25 = 3,139.87 : x
  2. Step 2: Convert to fraction form
    4,553.71/6,816.25 = 3,139.87/x
  3. Step 3: Cross multiply
    4,553.71x = 6,816.25 × 3,139.87
  4. Step 4: Simplify right side
    4,553.71x = 21,402,138.89
  5. Step 5: Solve for x
    x = 21,402,138.89/4,553.71
  6. Step 6: Final answer
    x = 4,699.93

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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.