Home / 5,277.52-7,911.33-1,812.34

Finding the Fourth Proportional to 5,277.52, 7,911.33 and 1,812.34

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Solution

The fourth proportional to 5,277.52, 7,911.33 and 1,812.34 is: 2,716.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,277.52 : 7,911.33 = 1,812.34 : x
  2. Step 2: Convert to fraction form
    5,277.52/7,911.33 = 1,812.34/x
  3. Step 3: Cross multiply
    5,277.52x = 7,911.33 × 1,812.34
  4. Step 4: Simplify right side
    5,277.52x = 14,338,019.81
  5. Step 5: Solve for x
    x = 14,338,019.81/5,277.52
  6. Step 6: Final answer
    x = 2,716.81

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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.