Home / 4,261.09-6,391.64-1,487.02

Finding the Fourth Proportional to 4,261.09, 6,391.64 and 1,487.02

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Solution

The fourth proportional to 4,261.09, 6,391.64 and 1,487.02 is: 2,230.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,261.09 : 6,391.64 = 1,487.02 : x
  2. Step 2: Convert to fraction form
    4,261.09/6,391.64 = 1,487.02/x
  3. Step 3: Cross multiply
    4,261.09x = 6,391.64 × 1,487.02
  4. Step 4: Simplify right side
    4,261.09x = 9,504,496.51
  5. Step 5: Solve for x
    x = 9,504,496.51/4,261.09
  6. Step 6: Final answer
    x = 2,230.53

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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.