Home / 5,125.82-7,683.86-2,525.72

Finding the Fourth Proportional to 5,125.82, 7,683.86 and 2,525.72

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Solution

The fourth proportional to 5,125.82, 7,683.86 and 2,525.72 is: 3,786.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,125.82 : 7,683.86 = 2,525.72 : x
  2. Step 2: Convert to fraction form
    5,125.82/7,683.86 = 2,525.72/x
  3. Step 3: Cross multiply
    5,125.82x = 7,683.86 × 2,525.72
  4. Step 4: Simplify right side
    5,125.82x = 19,407,227.83
  5. Step 5: Solve for x
    x = 19,407,227.83/5,125.82
  6. Step 6: Final answer
    x = 3,786.17

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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.