Home / 7,236.12-10,853.19-2,856.72

Finding the Fourth Proportional to 7,236.12, 10,853.19 and 2,856.72

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Solution

The fourth proportional to 7,236.12, 10,853.19 and 2,856.72 is: 4,284.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,236.12 : 10,853.19 = 2,856.72 : x
  2. Step 2: Convert to fraction form
    7,236.12/10,853.19 = 2,856.72/x
  3. Step 3: Cross multiply
    7,236.12x = 10,853.19 × 2,856.72
  4. Step 4: Simplify right side
    7,236.12x = 31,004,524.94
  5. Step 5: Solve for x
    x = 31,004,524.94/7,236.12
  6. Step 6: Final answer
    x = 4,284.69

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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.