Home / 9,272.12-13,901.20-3,028.40

Finding the Fourth Proportional to 9,272.12, 13,901.20 and 3,028.40

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Solution

The fourth proportional to 9,272.12, 13,901.20 and 3,028.40 is: 4,540.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,272.12 : 13,901.20 = 3,028.40 : x
  2. Step 2: Convert to fraction form
    9,272.12/13,901.20 = 3,028.40/x
  3. Step 3: Cross multiply
    9,272.12x = 13,901.20 × 3,028.40
  4. Step 4: Simplify right side
    9,272.12x = 42,098,394.08
  5. Step 5: Solve for x
    x = 42,098,394.08/9,272.12
  6. Step 6: Final answer
    x = 4,540.32

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1.5x scale

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.