Home / 5,117.28-7,674.24-1,829.79

Finding the Fourth Proportional to 5,117.28, 7,674.24 and 1,829.79

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Solution

The fourth proportional to 5,117.28, 7,674.24 and 1,829.79 is: 2,744.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,117.28 : 7,674.24 = 1,829.79 : x
  2. Step 2: Convert to fraction form
    5,117.28/7,674.24 = 1,829.79/x
  3. Step 3: Cross multiply
    5,117.28x = 7,674.24 × 1,829.79
  4. Step 4: Simplify right side
    5,117.28x = 14,042,254.47
  5. Step 5: Solve for x
    x = 14,042,254.47/5,117.28
  6. Step 6: Final answer
    x = 2,744.09

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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.