Home / 7,757.12-11,637.62-2,492.59

Finding the Fourth Proportional to 7,757.12, 11,637.62 and 2,492.59

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Solution

The fourth proportional to 7,757.12, 11,637.62 and 2,492.59 is: 3,739.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,757.12 : 11,637.62 = 2,492.59 : x
  2. Step 2: Convert to fraction form
    7,757.12/11,637.62 = 2,492.59/x
  3. Step 3: Cross multiply
    7,757.12x = 11,637.62 × 2,492.59
  4. Step 4: Simplify right side
    7,757.12x = 29,007,802.77
  5. Step 5: Solve for x
    x = 29,007,802.77/7,757.12
  6. Step 6: Final answer
    x = 3,739.51

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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.