Home / 7,713.86-11,569.31-3,761.15

Finding the Fourth Proportional to 7,713.86, 11,569.31 and 3,761.15

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Solution

The fourth proportional to 7,713.86, 11,569.31 and 3,761.15 is: 5,641.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,713.86 : 11,569.31 = 3,761.15 : x
  2. Step 2: Convert to fraction form
    7,713.86/11,569.31 = 3,761.15/x
  3. Step 3: Cross multiply
    7,713.86x = 11,569.31 × 3,761.15
  4. Step 4: Simplify right side
    7,713.86x = 43,513,910.31
  5. Step 5: Solve for x
    x = 43,513,910.31/7,713.86
  6. Step 6: Final answer
    x = 5,641.00

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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.