Home / 10,424.46-15,634.78-2,825.89

Finding the Fourth Proportional to 10,424.46, 15,634.78 and 2,825.89

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Solution

The fourth proportional to 10,424.46, 15,634.78 and 2,825.89 is: 4,238.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,424.46 : 15,634.78 = 2,825.89 : x
  2. Step 2: Convert to fraction form
    10,424.46/15,634.78 = 2,825.89/x
  3. Step 3: Cross multiply
    10,424.46x = 15,634.78 × 2,825.89
  4. Step 4: Simplify right side
    10,424.46x = 44,182,168.45
  5. Step 5: Solve for x
    x = 44,182,168.45/10,424.46
  6. Step 6: Final answer
    x = 4,238.32

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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.