Home / 5,161.51-7,742.13-1,829.71

Finding the Fourth Proportional to 5,161.51, 7,742.13 and 1,829.71

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Solution

The fourth proportional to 5,161.51, 7,742.13 and 1,829.71 is: 2,744.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,161.51 : 7,742.13 = 1,829.71 : x
  2. Step 2: Convert to fraction form
    5,161.51/7,742.13 = 1,829.71/x
  3. Step 3: Cross multiply
    5,161.51x = 7,742.13 × 1,829.71
  4. Step 4: Simplify right side
    5,161.51x = 14,165,852.68
  5. Step 5: Solve for x
    x = 14,165,852.68/5,161.51
  6. Step 6: Final answer
    x = 2,744.52

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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.