Home / 9,251.55-12,768.30-5,272.63

Finding the Fourth Proportional to 9,251.55, 12,768.30 and 5,272.63

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Solution

The fourth proportional to 9,251.55, 12,768.30 and 5,272.63 is: 7,276.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,251.55 : 12,768.30 = 5,272.63 : x
  2. Step 2: Convert to fraction form
    9,251.55/12,768.30 = 5,272.63/x
  3. Step 3: Cross multiply
    9,251.55x = 12,768.30 × 5,272.63
  4. Step 4: Simplify right side
    9,251.55x = 67,322,489.71
  5. Step 5: Solve for x
    x = 67,322,489.71/9,251.55
  6. Step 6: Final answer
    x = 7,276.89

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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.