Home / 9,327.25-12,871.65-5,078.35

Finding the Fourth Proportional to 9,327.25, 12,871.65 and 5,078.35

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Solution

The fourth proportional to 9,327.25, 12,871.65 and 5,078.35 is: 7,008.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,327.25 : 12,871.65 = 5,078.35 : x
  2. Step 2: Convert to fraction form
    9,327.25/12,871.65 = 5,078.35/x
  3. Step 3: Cross multiply
    9,327.25x = 12,871.65 × 5,078.35
  4. Step 4: Simplify right side
    9,327.25x = 65,366,743.78
  5. Step 5: Solve for x
    x = 65,366,743.78/9,327.25
  6. Step 6: Final answer
    x = 7,008.15

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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.