Home / 7,760.43-11,637.50-3,813.39

Finding the Fourth Proportional to 7,760.43, 11,637.50 and 3,813.39

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Solution

The fourth proportional to 7,760.43, 11,637.50 and 3,813.39 is: 5,718.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,760.43 : 11,637.50 = 3,813.39 : x
  2. Step 2: Convert to fraction form
    7,760.43/11,637.50 = 3,813.39/x
  3. Step 3: Cross multiply
    7,760.43x = 11,637.50 × 3,813.39
  4. Step 4: Simplify right side
    7,760.43x = 44,378,307.06
  5. Step 5: Solve for x
    x = 44,378,307.06/7,760.43
  6. Step 6: Final answer
    x = 5,718.54

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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.