Home / 5,285-7,925.58-2,361.80

Finding the Fourth Proportional to 5,285, 7,925.58 and 2,361.80

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Solution

The fourth proportional to 5,285, 7,925.58 and 2,361.80 is: 3,541.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,285 : 7,925.58 = 2,361.80 : x
  2. Step 2: Convert to fraction form
    5,285/7,925.58 = 2,361.80/x
  3. Step 3: Cross multiply
    5,285x = 7,925.58 × 2,361.80
  4. Step 4: Simplify right side
    5,285x = 18,718,634.84
  5. Step 5: Solve for x
    x = 18,718,634.84/5,285
  6. Step 6: Final answer
    x = 3,541.84

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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.