Home / 9,251.40-12,766.94-5,272.68

Finding the Fourth Proportional to 9,251.40, 12,766.94 and 5,272.68

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Solution

The fourth proportional to 9,251.40, 12,766.94 and 5,272.68 is: 7,276.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,251.40 : 12,766.94 = 5,272.68 : x
  2. Step 2: Convert to fraction form
    9,251.40/12,766.94 = 5,272.68/x
  3. Step 3: Cross multiply
    9,251.40x = 12,766.94 × 5,272.68
  4. Step 4: Simplify right side
    9,251.40x = 67,315,989.20
  5. Step 5: Solve for x
    x = 67,315,989.20/9,251.40
  6. Step 6: Final answer
    x = 7,276.30

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1.5x scale

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.