Home / 9,327.03-12,871.35-5,135.28

Finding the Fourth Proportional to 9,327.03, 12,871.35 and 5,135.28

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Solution

The fourth proportional to 9,327.03, 12,871.35 and 5,135.28 is: 7,086.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,327.03 : 12,871.35 = 5,135.28 : x
  2. Step 2: Convert to fraction form
    9,327.03/12,871.35 = 5,135.28/x
  3. Step 3: Cross multiply
    9,327.03x = 12,871.35 × 5,135.28
  4. Step 4: Simplify right side
    9,327.03x = 66,097,986.23
  5. Step 5: Solve for x
    x = 66,097,986.23/9,327.03
  6. Step 6: Final answer
    x = 7,086.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.