Home / 9,251.64-12,768.48-5,271.84

Finding the Fourth Proportional to 9,251.64, 12,768.48 and 5,271.84

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Solution

The fourth proportional to 9,251.64, 12,768.48 and 5,271.84 is: 7,275.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,251.64 : 12,768.48 = 5,271.84 : x
  2. Step 2: Convert to fraction form
    9,251.64/12,768.48 = 5,271.84/x
  3. Step 3: Cross multiply
    9,251.64x = 12,768.48 × 5,271.84
  4. Step 4: Simplify right side
    9,251.64x = 67,313,383.60
  5. Step 5: Solve for x
    x = 67,313,383.60/9,251.64
  6. Step 6: Final answer
    x = 7,275.83

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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.