Home / 7,717.31-11,575.96-3,103.55

Finding the Fourth Proportional to 7,717.31, 11,575.96 and 3,103.55

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Solution

The fourth proportional to 7,717.31, 11,575.96 and 3,103.55 is: 4,655.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,717.31 : 11,575.96 = 3,103.55 : x
  2. Step 2: Convert to fraction form
    7,717.31/11,575.96 = 3,103.55/x
  3. Step 3: Cross multiply
    7,717.31x = 11,575.96 × 3,103.55
  4. Step 4: Simplify right side
    7,717.31x = 35,926,497.26
  5. Step 5: Solve for x
    x = 35,926,497.26/7,717.31
  6. Step 6: Final answer
    x = 4,655.32

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1.5x scale

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.