Home / 7,825.11-11,739.47-2,560.35

Finding the Fourth Proportional to 7,825.11, 11,739.47 and 2,560.35

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Solution

The fourth proportional to 7,825.11, 11,739.47 and 2,560.35 is: 3,841.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,825.11 : 11,739.47 = 2,560.35 : x
  2. Step 2: Convert to fraction form
    7,825.11/11,739.47 = 2,560.35/x
  3. Step 3: Cross multiply
    7,825.11x = 11,739.47 × 2,560.35
  4. Step 4: Simplify right side
    7,825.11x = 30,057,139.21
  5. Step 5: Solve for x
    x = 30,057,139.21/7,825.11
  6. Step 6: Final answer
    x = 3,841.11

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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.